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-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- What are the average score and average staff number of all shops?
| SELECT avg(num_of_staff) , avg(score) FROM shop; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- Find the id and address of the shops whose score is below the average score.
| SELECT shop_id , address FROM shop WHERE score < (SELECT avg(score) FROM shop); |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- Find the address and staff number of the shops that do not have any happy hour.
| SELECT address , num_of_staff FROM shop WHERE shop_id NOT IN (SELECT shop_id FROM happy_hour); |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- What are the id and address of the shops which have a happy hour in May?
| SELECT t1.address , t1.shop_id FROM shop AS t1 JOIN happy_hour AS t2 ON t1.shop_id = t2.shop_id WHERE MONTH = 'May'; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- which shop has happy hour most frequently? List its id and number of happy hours.
| SELECT shop_id , count(*) FROM happy_hour GROUP BY shop_id ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- Which month has the most happy hours?
| SELECT MONTH FROM happy_hour GROUP BY MONTH ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- Which months have more than 2 happy hours?
| SELECT MONTH FROM happy_hour GROUP BY MONTH HAVING count(*) > 2; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- How many albums are there?
| SELECT count(*) FROM ALBUM; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the number of albums.
| SELECT count(*) FROM ALBUM; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- List the names of all music genres.
| SELECT Name FROM GENRE; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the names of different music genres?
| SELECT Name FROM GENRE; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find all the customer information in state NY.
| SELECT * FROM CUSTOMER WHERE State = "NY"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What is all the customer information for customers in NY state?
| SELECT * FROM CUSTOMER WHERE State = "NY"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the first names and last names of the employees who live in Calgary city.
| SELECT FirstName , LastName FROM EMPLOYEE WHERE City = "Calgary"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the full names of employees living in the city of Calgary.
| SELECT FirstName , LastName FROM EMPLOYEE WHERE City = "Calgary"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the distinct billing countries of the invoices?
| SELECT distinct(BillingCountry) FROM INVOICE; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the different billing countries for all invoices.
| SELECT distinct(BillingCountry) FROM INVOICE; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the names of all artists that have "a" in their names.
| SELECT Name FROM ARTIST WHERE Name LIKE "%a%"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the names of artist who have the letter 'a' in their names?
| SELECT Name FROM ARTIST WHERE Name LIKE "%a%"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the title of all the albums of the artist "AC/DC".
| SELECT Title FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId = T2.ArtistId WHERE T2.Name = "AC/DC"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the titles of albums by the artist "AC/DC"?
| SELECT Title FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId = T2.ArtistId WHERE T2.Name = "AC/DC"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Hom many albums does the artist "Metallica" have?
| SELECT COUNT(*) FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId = T2.ArtistId WHERE T2.Name = "Metallica"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the number of albums by the artist "Metallica".
| SELECT COUNT(*) FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId = T2.ArtistId WHERE T2.Name = "Metallica"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Which artist does the album "Balls to the Wall" belong to?
| SELECT T2.Name FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId = T2.ArtistId WHERE T1.Title = "Balls to the Wall"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the name of the artist who made the album "Balls to the Wall".
| SELECT T2.Name FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId = T2.ArtistId WHERE T1.Title = "Balls to the Wall"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Which artist has the most albums?
| SELECT T2.Name FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId = T2.ArtistId GROUP BY T2.Name ORDER BY COUNT(*) DESC LIMIT 1; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What is the name of the artist with the greatest number of albums?
| SELECT T2.Name FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId = T2.ArtistId GROUP BY T2.Name ORDER BY COUNT(*) DESC LIMIT 1; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the names of all the tracks that contain the word "you".
| SELECT Name FROM TRACK WHERE Name LIKE '%you%'; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the names of tracks that contain the the word you in them?
| SELECT Name FROM TRACK WHERE Name LIKE '%you%'; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What is the average unit price of all the tracks?
| SELECT AVG(UnitPrice) FROM TRACK; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the average unit price for a track.
| SELECT AVG(UnitPrice) FROM TRACK; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the durations of the longest and the shortest tracks in milliseconds?
| SELECT max(Milliseconds) , min(Milliseconds) FROM TRACK; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the maximum and minimum durations of tracks in milliseconds.
| SELECT max(Milliseconds) , min(Milliseconds) FROM TRACK; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Show the album names, ids and the number of tracks for each album.
| SELECT T1.Title , T2.AlbumID , COUNT(*) FROM ALBUM AS T1 JOIN TRACK AS T2 ON T1.AlbumId = T2.AlbumId GROUP BY T2.AlbumID; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the names and ids of the different albums, and how many tracks are on each?
| SELECT T1.Title , T2.AlbumID , COUNT(*) FROM ALBUM AS T1 JOIN TRACK AS T2 ON T1.AlbumId = T2.AlbumId GROUP BY T2.AlbumID; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What is the name of the most common genre in all tracks?
| SELECT T1.Name FROM GENRE AS T1 JOIN TRACK AS T2 ON T1.GenreId = T2.GenreId GROUP BY T2.GenreId ORDER BY COUNT(*) DESC LIMIT 1; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the name of the genre that is most frequent across all tracks.
| SELECT T1.Name FROM GENRE AS T1 JOIN TRACK AS T2 ON T1.GenreId = T2.GenreId GROUP BY T2.GenreId ORDER BY COUNT(*) DESC LIMIT 1; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What is the least common media type in all tracks?
| SELECT T1.Name FROM MEDIATYPE AS T1 JOIN TRACK AS T2 ON T1.MediaTypeId = T2.MediaTypeId GROUP BY T2.MediaTypeId ORDER BY COUNT(*) ASC LIMIT 1; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What is the name of the media type that is least common across all tracks?
| SELECT T1.Name FROM MEDIATYPE AS T1 JOIN TRACK AS T2 ON T1.MediaTypeId = T2.MediaTypeId GROUP BY T2.MediaTypeId ORDER BY COUNT(*) ASC LIMIT 1; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Show the album names and ids for albums that contain tracks with unit price bigger than 1.
| SELECT T1.Title , T2.AlbumID FROM ALBUM AS T1 JOIN TRACK AS T2 ON T1.AlbumId = T2.AlbumId WHERE T2.UnitPrice > 1 GROUP BY T2.AlbumID; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the titles and ids for albums containing tracks with unit price greater than 1?
| SELECT T1.Title , T2.AlbumID FROM ALBUM AS T1 JOIN TRACK AS T2 ON T1.AlbumId = T2.AlbumId WHERE T2.UnitPrice > 1 GROUP BY T2.AlbumID; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- How many tracks belong to rock genre?
| SELECT COUNT(*) FROM GENRE AS T1 JOIN TRACK AS T2 ON T1.GenreId = T2.GenreId WHERE T1.Name = "Rock"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Count the number of tracks that are part of the rock genre.
| SELECT COUNT(*) FROM GENRE AS T1 JOIN TRACK AS T2 ON T1.GenreId = T2.GenreId WHERE T1.Name = "Rock"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What is the average unit price of tracks that belong to Jazz genre?
| SELECT AVG(UnitPrice) FROM GENRE AS T1 JOIN TRACK AS T2 ON T1.GenreId = T2.GenreId WHERE T1.Name = "Jazz"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the average unit price of jazz tracks.
| SELECT AVG(UnitPrice) FROM GENRE AS T1 JOIN TRACK AS T2 ON T1.GenreId = T2.GenreId WHERE T1.Name = "Jazz"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What is the first name and last name of the customer that has email "[email protected]"?
| SELECT FirstName , LastName FROM CUSTOMER WHERE Email = "[email protected]"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the full name of the customer with the email "[email protected]".
| SELECT FirstName , LastName FROM CUSTOMER WHERE Email = "[email protected]"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- How many customers have email that contains "gmail.com"?
| SELECT COUNT(*) FROM CUSTOMER WHERE Email LIKE "%gmail.com%"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Count the number of customers that have an email containing "gmail.com".
| SELECT COUNT(*) FROM CUSTOMER WHERE Email LIKE "%gmail.com%"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What is the first name and last name employee helps the customer with first name Leonie?
| SELECT T2.FirstName , T2.LastName FROM CUSTOMER AS T1 JOIN EMPLOYEE AS T2 ON T1.SupportRepId = T2.EmployeeId WHERE T1.FirstName = "Leonie"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the full names of employees who help customers with the first name Leonie.
| SELECT T2.FirstName , T2.LastName FROM CUSTOMER AS T1 JOIN EMPLOYEE AS T2 ON T1.SupportRepId = T2.EmployeeId WHERE T1.FirstName = "Leonie"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What city does the employee who helps the customer with postal code 70174 live in?
| SELECT T2.City FROM CUSTOMER AS T1 JOIN EMPLOYEE AS T2 ON T1.SupportRepId = T2.EmployeeId WHERE T1.PostalCode = "70174"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the cities corresponding to employees who help customers with the postal code 70174.
| SELECT T2.City FROM CUSTOMER AS T1 JOIN EMPLOYEE AS T2 ON T1.SupportRepId = T2.EmployeeId WHERE T1.PostalCode = "70174"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- How many distinct cities does the employees live in?
| SELECT COUNT(DISTINCT city) FROM EMPLOYEE; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the number of different cities that employees live in.
| SELECT COUNT(DISTINCT city) FROM EMPLOYEE; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find all invoice dates corresponding to customers with first name Astrid and last name Gruber.
| SELECT T2.InvoiceDate FROM CUSTOMER AS T1 JOIN INVOICE AS T2 ON T1.CustomerId = T2.CustomerId WHERE T1.FirstName = "Astrid" AND LastName = "Gruber"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the invoice dates for customers with the first name Astrid and the last name Gruber?
| SELECT T2.InvoiceDate FROM CUSTOMER AS T1 JOIN INVOICE AS T2 ON T1.CustomerId = T2.CustomerId WHERE T1.FirstName = "Astrid" AND LastName = "Gruber"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find all the customer last names that do not have invoice totals larger than 20.
| SELECT LastName FROM CUSTOMER EXCEPT SELECT T1.LastName FROM CUSTOMER AS T1 JOIN Invoice AS T2 ON T1.CustomerId = T2.CustomerId WHERE T2.total > 20; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the last names of customers without invoice totals exceeding 20?
| SELECT LastName FROM CUSTOMER EXCEPT SELECT T1.LastName FROM CUSTOMER AS T1 JOIN Invoice AS T2 ON T1.CustomerId = T2.CustomerId WHERE T2.total > 20; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the first names of all customers that live in Brazil and have an invoice.
| SELECT DISTINCT T1.FirstName FROM CUSTOMER AS T1 JOIN INVOICE AS T2 ON T1.CustomerId = T2.CustomerId WHERE T1.country = "Brazil"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the different first names for customers from Brazil who have also had an invoice?
| SELECT DISTINCT T1.FirstName FROM CUSTOMER AS T1 JOIN INVOICE AS T2 ON T1.CustomerId = T2.CustomerId WHERE T1.country = "Brazil"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the address of all customers that live in Germany and have invoice.
| SELECT DISTINCT T1.Address FROM CUSTOMER AS T1 JOIN INVOICE AS T2 ON T1.CustomerId = T2.CustomerId WHERE T1.country = "Germany"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the addresses of customers living in Germany who have had an invoice?
| SELECT DISTINCT T1.Address FROM CUSTOMER AS T1 JOIN INVOICE AS T2 ON T1.CustomerId = T2.CustomerId WHERE T1.country = "Germany"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- List the phone numbers of all employees.
| SELECT Phone FROM EMPLOYEE; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the phone numbers for each employee?
| SELECT Phone FROM EMPLOYEE; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- How many tracks are in the AAC audio file media type?
| SELECT COUNT(*) FROM MEDIATYPE AS T1 JOIN TRACK AS T2 ON T1.MediaTypeId = T2.MediaTypeId WHERE T1.Name = "AAC audio file"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Count the number of tracks that are of the media type "AAC audio file".
| SELECT COUNT(*) FROM MEDIATYPE AS T1 JOIN TRACK AS T2 ON T1.MediaTypeId = T2.MediaTypeId WHERE T1.Name = "AAC audio file"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What is the average duration in milliseconds of tracks that belong to Latin or Pop genre?
| SELECT AVG(Milliseconds) FROM GENRE AS T1 JOIN TRACK AS T2 ON T1.GenreId = T2.GenreId WHERE T1.Name = "Latin" OR T1.Name = "Pop"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the average millisecond length of Latin and Pop tracks.
| SELECT AVG(Milliseconds) FROM GENRE AS T1 JOIN TRACK AS T2 ON T1.GenreId = T2.GenreId WHERE T1.Name = "Latin" OR T1.Name = "Pop"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Please show the employee first names and ids of employees who serve at least 10 customers.
| SELECT T1.FirstName , T1.SupportRepId FROM CUSTOMER AS T1 JOIN EMPLOYEE AS T2 ON T1.SupportRepId = T2.EmployeeId GROUP BY T1.SupportRepId HAVING COUNT(*) >= 10; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the first names and support rep ids for employees serving 10 or more customers?
| SELECT T1.FirstName , T1.SupportRepId FROM CUSTOMER AS T1 JOIN EMPLOYEE AS T2 ON T1.SupportRepId = T2.EmployeeId GROUP BY T1.SupportRepId HAVING COUNT(*) >= 10; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Please show the employee last names that serves no more than 20 customers.
| SELECT T1.LastName FROM CUSTOMER AS T1 JOIN EMPLOYEE AS T2 ON T1.SupportRepId = T2.EmployeeId GROUP BY T1.SupportRepId HAVING COUNT(*) <= 20; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the last names of employees who serve at most 20 customers?
| SELECT T1.LastName FROM CUSTOMER AS T1 JOIN EMPLOYEE AS T2 ON T1.SupportRepId = T2.EmployeeId GROUP BY T1.SupportRepId HAVING COUNT(*) <= 20; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Please list all album titles in alphabetical order.
| SELECT Title FROM ALBUM ORDER BY Title; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are all the album titles, in alphabetical order?
| SELECT Title FROM ALBUM ORDER BY Title; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Please list the name and id of all artists that have at least 3 albums in alphabetical order.
| SELECT T2.Name , T1.ArtistId FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId = T2.ArtistID GROUP BY T1.ArtistId HAVING COUNT(*) >= 3 ORDER BY T2.Name; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the names and ids of artists with 3 or more albums, listed in alphabetical order?
| SELECT T2.Name , T1.ArtistId FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId = T2.ArtistID GROUP BY T1.ArtistId HAVING COUNT(*) >= 3 ORDER BY T2.Name; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the names of artists that do not have any albums.
| SELECT Name FROM ARTIST EXCEPT SELECT T2.Name FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId = T2.ArtistId; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the names of artists who have not released any albums?
| SELECT Name FROM ARTIST EXCEPT SELECT T2.Name FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId = T2.ArtistId; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What is the average unit price of rock tracks?
| SELECT AVG(T2.UnitPrice) FROM GENRE AS T1 JOIN TRACK AS T2 ON T1.GenreId = T2.GenreId WHERE T1.Name = "Rock"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the average unit price of tracks from the Rock genre.
| SELECT AVG(T2.UnitPrice) FROM GENRE AS T1 JOIN TRACK AS T2 ON T1.GenreId = T2.GenreId WHERE T1.Name = "Rock"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the duration of the longest and shortest pop tracks in milliseconds?
| SELECT max(Milliseconds) , min(Milliseconds) FROM GENRE AS T1 JOIN TRACK AS T2 ON T1.GenreId = T2.GenreId WHERE T1.Name = "Pop"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the maximum and minimum millisecond lengths of pop tracks.
| SELECT max(Milliseconds) , min(Milliseconds) FROM GENRE AS T1 JOIN TRACK AS T2 ON T1.GenreId = T2.GenreId WHERE T1.Name = "Pop"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the birth dates of employees living in Edmonton?
| SELECT BirthDate FROM EMPLOYEE WHERE City = "Edmonton"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the birth dates corresponding to employees who live in the city of Edmonton.
| SELECT BirthDate FROM EMPLOYEE WHERE City = "Edmonton"; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the distinct unit prices of all tracks?
| SELECT distinct(UnitPrice) FROM TRACK; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the distinct unit prices for tracks.
| SELECT distinct(UnitPrice) FROM TRACK; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- How many artists do not have any album?
| SELECT count(*) FROM ARTIST WHERE artistid NOT IN(SELECT artistid FROM ALBUM); |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Cound the number of artists who have not released an album.
| SELECT count(*) FROM ARTIST WHERE artistid NOT IN(SELECT artistid FROM ALBUM); |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- What are the album titles for albums containing both 'Reggae' and 'Rock' genre tracks?
| SELECT T1.Title FROM Album AS T1 JOIN Track AS T2 ON T1.AlbumId = T2.AlbumId JOIN Genre AS T3 ON T2.GenreID = T3.GenreID WHERE T3.Name = 'Reggae' INTERSECT SELECT T1.Title FROM Album AS T1 JOIN Track AS T2 ON T1.AlbumId = T2.AlbumId JOIN Genre AS T3 ON T2.GenreID = T3.GenreID WHERE T3.Name = 'Rock'; |
-- Database schema
| Album : AlbumId [ INT ] primary_key , Title [ TEXT ] , ArtistId [ INT ] Album.ArtistId = Artist.ArtistId | Artist : ArtistId [ INT ] primary_key , Name [ TEXT ] | Customer : CustomerId [ INT ] primary_key , FirstName [ TEXT ] , LastName [ TEXT ] , Company [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] , SupportRepId [ INT ] Customer.SupportRepId = Employee.EmployeeId | Employee : EmployeeId [ INT ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , Title [ TEXT ] , ReportsTo [ INT ] Employee.ReportsTo = Employee.EmployeeId , BirthDate [ TEXT ] , HireDate [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , State [ TEXT ] , Country [ TEXT ] , PostalCode [ TEXT ] , Phone [ TEXT ] , Fax [ TEXT ] , Email [ TEXT ] | Genre : GenreId [ INT ] primary_key , Name [ TEXT ] | Invoice : InvoiceId [ INT ] primary_key , CustomerId [ INT ] Invoice.CustomerId = Customer.CustomerId , InvoiceDate [ TEXT ] , BillingAddress [ TEXT ] , BillingCity [ TEXT ] , BillingState [ TEXT ] , BillingCountry [ TEXT ] , BillingPostalCode [ TEXT ] , Total [ INT ] | InvoiceLine : InvoiceLineId [ INT ] primary_key , InvoiceId [ INT ] InvoiceLine.InvoiceId = Invoice.InvoiceId , TrackId [ INT ] InvoiceLine.TrackId = Track.TrackId , UnitPrice [ INT ] , Quantity [ INT ] | MediaType : MediaTypeId [ INT ] primary_key , Name [ TEXT ] | Playlist : PlaylistId [ INT ] primary_key , Name [ TEXT ] | PlaylistTrack : PlaylistId [ INT ] primary_key PlaylistTrack.PlaylistId = Playlist.PlaylistId , TrackId [ INT ] PlaylistTrack.TrackId = Track.TrackId | Track : TrackId [ INT ] primary_key , Name [ TEXT ] , AlbumId [ INT ] Track.AlbumId = Album.AlbumId , MediaTypeId [ INT ] Track.MediaTypeId = MediaType.MediaTypeId , GenreId [ INT ] Track.GenreId = Genre.GenreId , Composer [ TEXT ] , Milliseconds [ INT ] , Bytes [ INT ] , UnitPrice [ INT ] |
-- -- Find the titles of albums that contain tracks of both the Reggae and Rock genres.
| SELECT T1.Title FROM Album AS T1 JOIN Track AS T2 ON T1.AlbumId = T2.AlbumId JOIN Genre AS T3 ON T2.GenreID = T3.GenreID WHERE T3.Name = 'Reggae' INTERSECT SELECT T1.Title FROM Album AS T1 JOIN Track AS T2 ON T1.AlbumId = T2.AlbumId JOIN Genre AS T3 ON T2.GenreID = T3.GenreID WHERE T3.Name = 'Rock'; |
-- Database schema
| Customers : Customer_ID [ INT ] primary_key , Customer_name [ TEXT ] | Services : Service_ID [ INT ] primary_key , Service_name [ TEXT ] | Available_Policies : Policy_ID [ INT ] primary_key , policy_type_code [ TEXT ] , Customer_Phone [ TEXT ] | Customers_Policies : Customer_ID [ INT ] primary_key Customers_Policies.Customer_ID = Customers.Customer_ID , Policy_ID [ INT ] Customers_Policies.Policy_ID = Available_Policies.Policy_ID , Date_Opened [ TEXT ] , Date_Closed [ TEXT ] | First_Notification_of_Loss : FNOL_ID [ INT ] primary_key , Customer_ID [ INT ] First_Notification_of_Loss.Customer_ID = Customers_Policies.Customer_ID , Policy_ID [ INT ] First_Notification_of_Loss.Policy_ID = Customers_Policies.Policy_ID , Service_ID [ INT ] First_Notification_of_Loss.Service_ID = Services.Service_ID | Claims : Claim_ID [ INT ] primary_key , FNOL_ID [ INT ] Claims.FNOL_ID = First_Notification_of_Loss.FNOL_ID , Effective_Date [ TEXT ] | Settlements : Settlement_ID [ INT ] primary_key , Claim_ID [ INT ] Settlements.Claim_ID = Claims.Claim_ID , Effective_Date [ TEXT ] , Settlement_Amount [ INT ] |
-- -- Find all the phone numbers.
| SELECT customer_phone FROM available_policies; |
-- Database schema
| Customers : Customer_ID [ INT ] primary_key , Customer_name [ TEXT ] | Services : Service_ID [ INT ] primary_key , Service_name [ TEXT ] | Available_Policies : Policy_ID [ INT ] primary_key , policy_type_code [ TEXT ] , Customer_Phone [ TEXT ] | Customers_Policies : Customer_ID [ INT ] primary_key Customers_Policies.Customer_ID = Customers.Customer_ID , Policy_ID [ INT ] Customers_Policies.Policy_ID = Available_Policies.Policy_ID , Date_Opened [ TEXT ] , Date_Closed [ TEXT ] | First_Notification_of_Loss : FNOL_ID [ INT ] primary_key , Customer_ID [ INT ] First_Notification_of_Loss.Customer_ID = Customers_Policies.Customer_ID , Policy_ID [ INT ] First_Notification_of_Loss.Policy_ID = Customers_Policies.Policy_ID , Service_ID [ INT ] First_Notification_of_Loss.Service_ID = Services.Service_ID | Claims : Claim_ID [ INT ] primary_key , FNOL_ID [ INT ] Claims.FNOL_ID = First_Notification_of_Loss.FNOL_ID , Effective_Date [ TEXT ] | Settlements : Settlement_ID [ INT ] primary_key , Claim_ID [ INT ] Settlements.Claim_ID = Claims.Claim_ID , Effective_Date [ TEXT ] , Settlement_Amount [ INT ] |
-- -- What are all the phone numbers?
| SELECT customer_phone FROM available_policies; |
-- Database schema
| Customers : Customer_ID [ INT ] primary_key , Customer_name [ TEXT ] | Services : Service_ID [ INT ] primary_key , Service_name [ TEXT ] | Available_Policies : Policy_ID [ INT ] primary_key , policy_type_code [ TEXT ] , Customer_Phone [ TEXT ] | Customers_Policies : Customer_ID [ INT ] primary_key Customers_Policies.Customer_ID = Customers.Customer_ID , Policy_ID [ INT ] Customers_Policies.Policy_ID = Available_Policies.Policy_ID , Date_Opened [ TEXT ] , Date_Closed [ TEXT ] | First_Notification_of_Loss : FNOL_ID [ INT ] primary_key , Customer_ID [ INT ] First_Notification_of_Loss.Customer_ID = Customers_Policies.Customer_ID , Policy_ID [ INT ] First_Notification_of_Loss.Policy_ID = Customers_Policies.Policy_ID , Service_ID [ INT ] First_Notification_of_Loss.Service_ID = Services.Service_ID | Claims : Claim_ID [ INT ] primary_key , FNOL_ID [ INT ] Claims.FNOL_ID = First_Notification_of_Loss.FNOL_ID , Effective_Date [ TEXT ] | Settlements : Settlement_ID [ INT ] primary_key , Claim_ID [ INT ] Settlements.Claim_ID = Claims.Claim_ID , Effective_Date [ TEXT ] , Settlement_Amount [ INT ] |
-- -- What are the customer phone numbers under the policy "Life Insurance"?
| SELECT customer_phone FROM available_policies WHERE policy_type_code = "Life Insurance"; |
-- Database schema
| Customers : Customer_ID [ INT ] primary_key , Customer_name [ TEXT ] | Services : Service_ID [ INT ] primary_key , Service_name [ TEXT ] | Available_Policies : Policy_ID [ INT ] primary_key , policy_type_code [ TEXT ] , Customer_Phone [ TEXT ] | Customers_Policies : Customer_ID [ INT ] primary_key Customers_Policies.Customer_ID = Customers.Customer_ID , Policy_ID [ INT ] Customers_Policies.Policy_ID = Available_Policies.Policy_ID , Date_Opened [ TEXT ] , Date_Closed [ TEXT ] | First_Notification_of_Loss : FNOL_ID [ INT ] primary_key , Customer_ID [ INT ] First_Notification_of_Loss.Customer_ID = Customers_Policies.Customer_ID , Policy_ID [ INT ] First_Notification_of_Loss.Policy_ID = Customers_Policies.Policy_ID , Service_ID [ INT ] First_Notification_of_Loss.Service_ID = Services.Service_ID | Claims : Claim_ID [ INT ] primary_key , FNOL_ID [ INT ] Claims.FNOL_ID = First_Notification_of_Loss.FNOL_ID , Effective_Date [ TEXT ] | Settlements : Settlement_ID [ INT ] primary_key , Claim_ID [ INT ] Settlements.Claim_ID = Claims.Claim_ID , Effective_Date [ TEXT ] , Settlement_Amount [ INT ] |
-- -- What are the phone numbers of customers using the policy with the code "Life Insurance"?
| SELECT customer_phone FROM available_policies WHERE policy_type_code = "Life Insurance"; |
-- Database schema
| Customers : Customer_ID [ INT ] primary_key , Customer_name [ TEXT ] | Services : Service_ID [ INT ] primary_key , Service_name [ TEXT ] | Available_Policies : Policy_ID [ INT ] primary_key , policy_type_code [ TEXT ] , Customer_Phone [ TEXT ] | Customers_Policies : Customer_ID [ INT ] primary_key Customers_Policies.Customer_ID = Customers.Customer_ID , Policy_ID [ INT ] Customers_Policies.Policy_ID = Available_Policies.Policy_ID , Date_Opened [ TEXT ] , Date_Closed [ TEXT ] | First_Notification_of_Loss : FNOL_ID [ INT ] primary_key , Customer_ID [ INT ] First_Notification_of_Loss.Customer_ID = Customers_Policies.Customer_ID , Policy_ID [ INT ] First_Notification_of_Loss.Policy_ID = Customers_Policies.Policy_ID , Service_ID [ INT ] First_Notification_of_Loss.Service_ID = Services.Service_ID | Claims : Claim_ID [ INT ] primary_key , FNOL_ID [ INT ] Claims.FNOL_ID = First_Notification_of_Loss.FNOL_ID , Effective_Date [ TEXT ] | Settlements : Settlement_ID [ INT ] primary_key , Claim_ID [ INT ] Settlements.Claim_ID = Claims.Claim_ID , Effective_Date [ TEXT ] , Settlement_Amount [ INT ] |
-- -- Which policy type has the most records in the database?
| SELECT policy_type_code FROM available_policies GROUP BY policy_type_code ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Customers : Customer_ID [ INT ] primary_key , Customer_name [ TEXT ] | Services : Service_ID [ INT ] primary_key , Service_name [ TEXT ] | Available_Policies : Policy_ID [ INT ] primary_key , policy_type_code [ TEXT ] , Customer_Phone [ TEXT ] | Customers_Policies : Customer_ID [ INT ] primary_key Customers_Policies.Customer_ID = Customers.Customer_ID , Policy_ID [ INT ] Customers_Policies.Policy_ID = Available_Policies.Policy_ID , Date_Opened [ TEXT ] , Date_Closed [ TEXT ] | First_Notification_of_Loss : FNOL_ID [ INT ] primary_key , Customer_ID [ INT ] First_Notification_of_Loss.Customer_ID = Customers_Policies.Customer_ID , Policy_ID [ INT ] First_Notification_of_Loss.Policy_ID = Customers_Policies.Policy_ID , Service_ID [ INT ] First_Notification_of_Loss.Service_ID = Services.Service_ID | Claims : Claim_ID [ INT ] primary_key , FNOL_ID [ INT ] Claims.FNOL_ID = First_Notification_of_Loss.FNOL_ID , Effective_Date [ TEXT ] | Settlements : Settlement_ID [ INT ] primary_key , Claim_ID [ INT ] Settlements.Claim_ID = Claims.Claim_ID , Effective_Date [ TEXT ] , Settlement_Amount [ INT ] |
-- -- Which policy type appears most frequently in the available policies?
| SELECT policy_type_code FROM available_policies GROUP BY policy_type_code ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Customers : Customer_ID [ INT ] primary_key , Customer_name [ TEXT ] | Services : Service_ID [ INT ] primary_key , Service_name [ TEXT ] | Available_Policies : Policy_ID [ INT ] primary_key , policy_type_code [ TEXT ] , Customer_Phone [ TEXT ] | Customers_Policies : Customer_ID [ INT ] primary_key Customers_Policies.Customer_ID = Customers.Customer_ID , Policy_ID [ INT ] Customers_Policies.Policy_ID = Available_Policies.Policy_ID , Date_Opened [ TEXT ] , Date_Closed [ TEXT ] | First_Notification_of_Loss : FNOL_ID [ INT ] primary_key , Customer_ID [ INT ] First_Notification_of_Loss.Customer_ID = Customers_Policies.Customer_ID , Policy_ID [ INT ] First_Notification_of_Loss.Policy_ID = Customers_Policies.Policy_ID , Service_ID [ INT ] First_Notification_of_Loss.Service_ID = Services.Service_ID | Claims : Claim_ID [ INT ] primary_key , FNOL_ID [ INT ] Claims.FNOL_ID = First_Notification_of_Loss.FNOL_ID , Effective_Date [ TEXT ] | Settlements : Settlement_ID [ INT ] primary_key , Claim_ID [ INT ] Settlements.Claim_ID = Claims.Claim_ID , Effective_Date [ TEXT ] , Settlement_Amount [ INT ] |
-- -- What are all the customer phone numbers under the most popular policy type?
| SELECT customer_phone FROM available_policies WHERE policy_type_code = (SELECT policy_type_code FROM available_policies GROUP BY policy_type_code ORDER BY count(*) DESC LIMIT 1); |
-- Database schema
| Customers : Customer_ID [ INT ] primary_key , Customer_name [ TEXT ] | Services : Service_ID [ INT ] primary_key , Service_name [ TEXT ] | Available_Policies : Policy_ID [ INT ] primary_key , policy_type_code [ TEXT ] , Customer_Phone [ TEXT ] | Customers_Policies : Customer_ID [ INT ] primary_key Customers_Policies.Customer_ID = Customers.Customer_ID , Policy_ID [ INT ] Customers_Policies.Policy_ID = Available_Policies.Policy_ID , Date_Opened [ TEXT ] , Date_Closed [ TEXT ] | First_Notification_of_Loss : FNOL_ID [ INT ] primary_key , Customer_ID [ INT ] First_Notification_of_Loss.Customer_ID = Customers_Policies.Customer_ID , Policy_ID [ INT ] First_Notification_of_Loss.Policy_ID = Customers_Policies.Policy_ID , Service_ID [ INT ] First_Notification_of_Loss.Service_ID = Services.Service_ID | Claims : Claim_ID [ INT ] primary_key , FNOL_ID [ INT ] Claims.FNOL_ID = First_Notification_of_Loss.FNOL_ID , Effective_Date [ TEXT ] | Settlements : Settlement_ID [ INT ] primary_key , Claim_ID [ INT ] Settlements.Claim_ID = Claims.Claim_ID , Effective_Date [ TEXT ] , Settlement_Amount [ INT ] |
-- -- Find the phone numbers of customers using the most common policy type among the available policies.
| SELECT customer_phone FROM available_policies WHERE policy_type_code = (SELECT policy_type_code FROM available_policies GROUP BY policy_type_code ORDER BY count(*) DESC LIMIT 1); |
-- Database schema
| Customers : Customer_ID [ INT ] primary_key , Customer_name [ TEXT ] | Services : Service_ID [ INT ] primary_key , Service_name [ TEXT ] | Available_Policies : Policy_ID [ INT ] primary_key , policy_type_code [ TEXT ] , Customer_Phone [ TEXT ] | Customers_Policies : Customer_ID [ INT ] primary_key Customers_Policies.Customer_ID = Customers.Customer_ID , Policy_ID [ INT ] Customers_Policies.Policy_ID = Available_Policies.Policy_ID , Date_Opened [ TEXT ] , Date_Closed [ TEXT ] | First_Notification_of_Loss : FNOL_ID [ INT ] primary_key , Customer_ID [ INT ] First_Notification_of_Loss.Customer_ID = Customers_Policies.Customer_ID , Policy_ID [ INT ] First_Notification_of_Loss.Policy_ID = Customers_Policies.Policy_ID , Service_ID [ INT ] First_Notification_of_Loss.Service_ID = Services.Service_ID | Claims : Claim_ID [ INT ] primary_key , FNOL_ID [ INT ] Claims.FNOL_ID = First_Notification_of_Loss.FNOL_ID , Effective_Date [ TEXT ] | Settlements : Settlement_ID [ INT ] primary_key , Claim_ID [ INT ] Settlements.Claim_ID = Claims.Claim_ID , Effective_Date [ TEXT ] , Settlement_Amount [ INT ] |
-- -- Find the policy type used by more than 4 customers.
| SELECT policy_type_code FROM available_policies GROUP BY policy_type_code HAVING count(*) > 4; |
Subsets and Splits