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-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What kind of decor has the least number of reservations?
| SELECT T2.decor FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T2.decor ORDER BY count(T2.decor) ASC LIMIT 1; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What is the least popular kind of decor?
| SELECT T2.decor FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T2.decor ORDER BY count(T2.decor) ASC LIMIT 1; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- List how many times the number of people in the room reached the maximum occupancy of the room. The number of people include adults and kids.
| SELECT count(*) FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId WHERE T2.maxOccupancy = T1.Adults + T1.Kids; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- How many times the number of adults and kids staying in a room reached the maximum capacity of the room?
| SELECT count(*) FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId WHERE T2.maxOccupancy = T1.Adults + T1.Kids; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the first and last names of people who payed more than the rooms' base prices.
| SELECT T1.firstname , T1.lastname FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId WHERE T1.Rate - T2.basePrice > 0; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What are the first and last names of people who payed more than the rooms' base prices?
| SELECT T1.firstname , T1.lastname FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId WHERE T1.Rate - T2.basePrice > 0; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- How many rooms are there?
| SELECT count(*) FROM Rooms; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What is the total number of rooms available in this inn?
| SELECT count(*) FROM Rooms; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the number of rooms with a king bed.
| SELECT count(*) FROM Rooms WHERE bedType = "King"; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- How many rooms have a king bed?
| SELECT count(*) FROM Rooms WHERE bedType = "King"; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the number of rooms for each bed type.
| SELECT bedType , count(*) FROM Rooms GROUP BY bedType; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What are the number of rooms for each bed type?
| SELECT bedType , count(*) FROM Rooms GROUP BY bedType; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the name of the room with the maximum occupancy.
| SELECT roomName FROM Rooms ORDER BY maxOccupancy DESC LIMIT 1; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What is the name of the room that can accommodate the most people?
| SELECT roomName FROM Rooms ORDER BY maxOccupancy DESC LIMIT 1; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the id and name of the most expensive base price room.
| SELECT RoomId , roomName FROM Rooms ORDER BY basePrice DESC LIMIT 1; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Which room has the highest base price?
| SELECT RoomId , roomName FROM Rooms ORDER BY basePrice DESC LIMIT 1; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- List the type of bed and name of all traditional rooms.
| SELECT roomName , bedType FROM Rooms WHERE decor = "traditional"; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What are the bed type and name of all the rooms with traditional decor?
| SELECT roomName , bedType FROM Rooms WHERE decor = "traditional"; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the number of rooms with king bed for each decor type.
| SELECT decor , count(*) FROM Rooms WHERE bedType = "King" GROUP BY decor; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- How many rooms have king beds? Report the number for each decor type.
| SELECT decor , count(*) FROM Rooms WHERE bedType = "King" GROUP BY decor; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the average and minimum price of the rooms in different decor.
| SELECT decor , avg(basePrice) , min(basePrice) FROM Rooms GROUP BY decor; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What is the average minimum and price of the rooms for each different decor.
| SELECT decor , avg(basePrice) , min(basePrice) FROM Rooms GROUP BY decor; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- List the name of all rooms sorted by their prices.
| SELECT roomName FROM Rooms ORDER BY basePrice; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Sort all the rooms according to the price. Just report the room names.
| SELECT roomName FROM Rooms ORDER BY basePrice; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the number of rooms with price higher than 120 for different decor.
| SELECT decor , count(*) FROM Rooms WHERE basePrice > 120 GROUP BY decor; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- How many rooms cost more than 120, for each different decor?
| SELECT decor , count(*) FROM Rooms WHERE basePrice > 120 GROUP BY decor; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- For each bed type, find the average room price.
| SELECT bedType , avg(basePrice) FROM Rooms GROUP BY bedType; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What is the average base price of rooms, for each bed type?
| SELECT bedType , avg(basePrice) FROM Rooms GROUP BY bedType; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- List the name of rooms with king or queen bed.
| SELECT roomName FROM Rooms WHERE bedType = "King" OR bedType = "Queen"; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What are the names of rooms that have either king or queen bed?
| SELECT roomName FROM Rooms WHERE bedType = "King" OR bedType = "Queen"; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- How many different types of beds are there?
| SELECT count(DISTINCT bedType) FROM Rooms; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the number of distinct bed types available in this inn.
| SELECT count(DISTINCT bedType) FROM Rooms; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the name and id of the top 3 expensive rooms.
| SELECT RoomId , roomName FROM Rooms ORDER BY basePrice DESC LIMIT 3; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What are the name and id of the three highest priced rooms?
| SELECT RoomId , roomName FROM Rooms ORDER BY basePrice DESC LIMIT 3; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the name of rooms whose price is higher than the average price.
| SELECT roomName FROM Rooms WHERE basePrice > ( SELECT avg(basePrice) FROM Rooms ); |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What are the name of rooms that cost more than the average.
| SELECT roomName FROM Rooms WHERE basePrice > ( SELECT avg(basePrice) FROM Rooms ); |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the number of rooms that do not have any reservation.
| SELECT count(*) FROM rooms WHERE roomid NOT IN (SELECT DISTINCT room FROM reservations); |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- How many rooms have not had any reservation yet?
| SELECT count(*) FROM rooms WHERE roomid NOT IN (SELECT DISTINCT room FROM reservations); |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Return the name and number of reservations made for each of the rooms.
| SELECT T2.roomName , count(*) , T1.Room FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T1.Room; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- For each room, find its name and the number of times reservations were made for it.
| SELECT T2.roomName , count(*) , T1.Room FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T1.Room; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the names of rooms that have been reserved for more than 60 times.
| SELECT T2.roomName FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T1.Room HAVING count(*) > 60; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What are the names of rooms whose reservation frequency exceeds 60 times?
| SELECT T2.roomName FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T1.Room HAVING count(*) > 60; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the name of rooms whose base price is between 120 and 150.
| SELECT roomname FROM rooms WHERE baseprice BETWEEN 120 AND 150; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Which rooms cost between 120 and 150? Give me the room names.
| SELECT roomname FROM rooms WHERE baseprice BETWEEN 120 AND 150; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- Find the name of rooms booked by some customers whose first name contains ROY.
| SELECT T2.roomName FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId WHERE firstname LIKE '%ROY%'; |
-- Database schema
| Rooms : RoomId [ TEXT ] primary_key , roomName [ TEXT ] , beds [ INT ] , bedType [ TEXT ] , maxOccupancy [ INT ] , basePrice [ INT ] , decor [ TEXT ] | Reservations : Code [ INT ] primary_key , Room [ TEXT ] Reservations.Room = Rooms.RoomId , CheckIn [ TEXT ] , CheckOut [ TEXT ] , Rate [ INT ] , LastName [ TEXT ] , FirstName [ TEXT ] , Adults [ INT ] , Kids [ INT ] |
-- -- What are the name of rooms booked by customers whose first name has "ROY" in part?
| SELECT T2.roomName FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId WHERE firstname LIKE '%ROY%'; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- what are the details of the cmi masters that have the cross reference code 'Tax'?
| SELECT T1.cmi_details FROM Customer_Master_Index AS T1 JOIN CMI_Cross_References AS T2 ON T1.master_customer_id = T2.master_customer_id WHERE T2.source_system_code = 'Tax'; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- What is the cmi cross reference id that is related to at least one council tax entry? List the cross reference id and source system code.
| SELECT T1.cmi_cross_ref_id , T1.source_system_code FROM CMI_Cross_References AS T1 JOIN Council_Tax AS T2 ON T1.cmi_cross_ref_id = T2.cmi_cross_ref_id GROUP BY T1.cmi_cross_ref_id HAVING count(*) >= 1; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- How many business rates are related to each cmi cross reference? List cross reference id, master customer id and the n
| SELECT T2.cmi_cross_ref_id , T2.master_customer_id , count(*) FROM Business_Rates AS T1 JOIN CMI_Cross_References AS T2 ON T1.cmi_cross_ref_id = T2.cmi_cross_ref_id GROUP BY T2.cmi_cross_ref_id; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- What is the tax source system code related to the benefits and overpayments? List the code and the benifit id, order by benifit id.
| SELECT T1.source_system_code , T2.council_tax_id FROM CMI_Cross_References AS T1 JOIN Benefits_Overpayments AS T2 ON T1.cmi_cross_ref_id = T2.cmi_cross_ref_id ORDER BY T2.council_tax_id; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- Wat is the tax source system code and master customer id of the taxes related to each parking fine id?
| SELECT T1.source_system_code , T1.master_customer_id , T2.council_tax_id FROM CMI_Cross_References AS T1 JOIN Parking_Fines AS T2 ON T1.cmi_cross_ref_id = T2.cmi_cross_ref_id; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- What are the renting arrears tax ids related to the customer master index whose detail is not 'Schmidt, Kertzmann and Lubowitz'?
| SELECT T1.council_tax_id FROM Rent_Arrears AS T1 JOIN CMI_Cross_References AS T2 ON T1.cmi_cross_ref_id = T2.cmi_cross_ref_id JOIN Customer_Master_Index AS T3 ON T3.master_customer_id = T2.master_customer_id WHERE T3.cmi_details != 'Schmidt , Kertzmann and Lubowitz'; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- What are the register ids of electoral registries that have the cross reference source system code 'Electoral' or 'Tax'?
| SELECT T1.electoral_register_id FROM Electoral_Register AS T1 JOIN CMI_Cross_References AS T2 ON T1.cmi_cross_ref_id = T2.cmi_cross_ref_id WHERE T2.source_system_code = 'Electoral' OR T2.source_system_code = 'Tax'; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- How many different source system code for the cmi cross references are there?
| SELECT count(DISTINCT source_system_code) FROM CMI_cross_references; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- List all information about customer master index, and sort them by details in descending order.
| SELECT * FROM customer_master_index ORDER BY cmi_details DESC; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- List the council tax ids and their related cmi cross references of all the parking fines.
| SELECT council_tax_id , cmi_cross_ref_id FROM parking_fines; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- How many council taxes are collected for renting arrears ?
| SELECT count(*) FROM rent_arrears; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- What are the distinct cross reference source system codes which are related to the master customer details 'Gottlieb, Becker and Wyman'?
| SELECT DISTINCT T2.source_system_code FROM customer_master_index AS T1 JOIN cmi_cross_references AS T2 ON T1.master_customer_id = T2.master_customer_id WHERE T1.cmi_details = 'Gottlieb , Becker and Wyman'; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- Which cmi cross reference id is not related to any parking taxes?
| SELECT cmi_cross_ref_id FROM cmi_cross_references EXCEPT SELECT cmi_cross_ref_id FROM parking_fines; |
-- Database schema
| Customer_Master_Index : master_customer_id [ INT ] primary_key , cmi_details [ TEXT ] | CMI_Cross_References : cmi_cross_ref_id [ INT ] primary_key , master_customer_id [ INT ] CMI_Cross_References.master_customer_id = Customer_Master_Index.master_customer_id , source_system_code [ TEXT ] | Council_Tax : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Council_Tax.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Business_Rates : business_rates_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Business_Rates.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Benefits_Overpayments : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Benefits_Overpayments.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Parking_Fines : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Parking_Fines.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Rent_Arrears : council_tax_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Rent_Arrears.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id | Electoral_Register : electoral_register_id [ INT ] primary_key , cmi_cross_ref_id [ INT ] Electoral_Register.cmi_cross_ref_id = CMI_Cross_References.cmi_cross_ref_id |
-- -- Which distinct source system code includes the substring 'en'?
| SELECT DISTINCT source_system_code FROM cmi_cross_references WHERE source_system_code LIKE '%en%'; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- How many parties are there?
| SELECT count(*) FROM party; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Count the number of parties.
| SELECT count(*) FROM party; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- List the themes of parties in ascending order of number of hosts.
| SELECT Party_Theme FROM party ORDER BY Number_of_hosts ASC; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- What are the themes of parties ordered by the number of hosts in ascending manner?
| SELECT Party_Theme FROM party ORDER BY Number_of_hosts ASC; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- What are the themes and locations of parties?
| SELECT Party_Theme , LOCATION FROM party; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Give me the theme and location of each party.
| SELECT Party_Theme , LOCATION FROM party; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Show the first year and last year of parties with theme "Spring" or "Teqnology".
| SELECT First_year , Last_year FROM party WHERE Party_Theme = "Spring" OR Party_Theme = "Teqnology"; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- What are the first year and last year of the parties whose theme is "Spring" or "Teqnology"?
| SELECT First_year , Last_year FROM party WHERE Party_Theme = "Spring" OR Party_Theme = "Teqnology"; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- What is the average number of hosts for parties?
| SELECT avg(Number_of_hosts) FROM party; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Compute the average number of hosts for parties.
| SELECT avg(Number_of_hosts) FROM party; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- What is the location of the party with the most hosts?
| SELECT LOCATION FROM party ORDER BY Number_of_hosts DESC LIMIT 1; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Which party had the most hosts? Give me the party location.
| SELECT LOCATION FROM party ORDER BY Number_of_hosts DESC LIMIT 1; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Show different nationalities along with the number of hosts of each nationality.
| SELECT Nationality , COUNT(*) FROM HOST GROUP BY Nationality; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- How many hosts does each nationality have? List the nationality and the count.
| SELECT Nationality , COUNT(*) FROM HOST GROUP BY Nationality; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Show the most common nationality of hosts.
| SELECT Nationality FROM HOST GROUP BY Nationality ORDER BY COUNT(*) DESC LIMIT 1; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Which nationality has the most hosts?
| SELECT Nationality FROM HOST GROUP BY Nationality ORDER BY COUNT(*) DESC LIMIT 1; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Show the nations that have both hosts older than 45 and hosts younger than 35.
| SELECT Nationality FROM HOST WHERE Age > 45 INTERSECT SELECT Nationality FROM HOST WHERE Age < 35; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Which nations have both hosts of age above 45 and hosts of age below 35?
| SELECT Nationality FROM HOST WHERE Age > 45 INTERSECT SELECT Nationality FROM HOST WHERE Age < 35; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Show the themes of parties and the names of the party hosts.
| SELECT T3.Party_Theme , T2.Name FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- For each party, return its theme and the name of its host.
| SELECT T3.Party_Theme , T2.Name FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Show the locations of parties and the names of the party hosts in ascending order of the age of the host.
| SELECT T3.Location , T2.Name FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID ORDER BY T2.Age; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- For each party, find its location and the name of its host. Sort the result in ascending order of the age of the host.
| SELECT T3.Location , T2.Name FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID ORDER BY T2.Age; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Show the locations of parties with hosts older than 50.
| SELECT T3.Location FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID WHERE T2.Age > 50; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Which parties have hosts of age above 50? Give me the party locations.
| SELECT T3.Location FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID WHERE T2.Age > 50; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Show the host names for parties with number of hosts greater than 20.
| SELECT T2.Name FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID WHERE T3.Number_of_hosts > 20; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Which parties have more than 20 hosts? Give me the host names for these parties.
| SELECT T2.Name FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID WHERE T3.Number_of_hosts > 20; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- Show the name and the nationality of the oldest host.
| SELECT Name , Nationality FROM HOST ORDER BY Age DESC LIMIT 1; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- What are the name and the nationality of the host of the highest age?
| SELECT Name , Nationality FROM HOST ORDER BY Age DESC LIMIT 1; |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- List the names of hosts who did not serve as a host of any party in our record.
| SELECT Name FROM HOST WHERE Host_ID NOT IN (SELECT Host_ID FROM party_host); |
-- Database schema
| party : Party_ID [ INT ] primary_key , Party_Theme [ TEXT ] , Location [ TEXT ] , First_year [ TEXT ] , Last_year [ TEXT ] , Number_of_hosts [ INT ] | host : Host_ID [ INT ] primary_key , Name [ TEXT ] , Nationality [ TEXT ] , Age [ TEXT ] | party_host : Party_ID [ INT ] primary_key party_host.Party_ID = party.Party_ID , Host_ID [ INT ] party_host.Host_ID = host.Host_ID , Is_Main_in_Charge [ bool ] |
-- -- What are the names of hosts who did not host any party in our record?
| SELECT Name FROM HOST WHERE Host_ID NOT IN (SELECT Host_ID FROM party_host); |
-- Database schema
| storm : Storm_ID [ INT ] primary_key , Name [ TEXT ] , Dates_active [ TEXT ] , Max_speed [ INT ] , Damage_millions_USD [ INT ] , Number_Deaths [ INT ] | region : Region_id [ INT ] primary_key , Region_code [ TEXT ] , Region_name [ TEXT ] | affected_region : Region_id [ INT ] primary_key affected_region.Region_id = region.Region_id , Storm_ID [ INT ] affected_region.Storm_ID = storm.Storm_ID , Number_city_affected [ INT ] |
-- -- How many regions do we have?
| SELECT count(*) FROM region; |
-- Database schema
| storm : Storm_ID [ INT ] primary_key , Name [ TEXT ] , Dates_active [ TEXT ] , Max_speed [ INT ] , Damage_millions_USD [ INT ] , Number_Deaths [ INT ] | region : Region_id [ INT ] primary_key , Region_code [ TEXT ] , Region_name [ TEXT ] | affected_region : Region_id [ INT ] primary_key affected_region.Region_id = region.Region_id , Storm_ID [ INT ] affected_region.Storm_ID = storm.Storm_ID , Number_city_affected [ INT ] |
-- -- Count the number of regions.
| SELECT count(*) FROM region; |
-- Database schema
| storm : Storm_ID [ INT ] primary_key , Name [ TEXT ] , Dates_active [ TEXT ] , Max_speed [ INT ] , Damage_millions_USD [ INT ] , Number_Deaths [ INT ] | region : Region_id [ INT ] primary_key , Region_code [ TEXT ] , Region_name [ TEXT ] | affected_region : Region_id [ INT ] primary_key affected_region.Region_id = region.Region_id , Storm_ID [ INT ] affected_region.Storm_ID = storm.Storm_ID , Number_city_affected [ INT ] |
-- -- Show all region code and region name sorted by the codes.
| SELECT region_code , region_name FROM region ORDER BY region_code; |
-- Database schema
| storm : Storm_ID [ INT ] primary_key , Name [ TEXT ] , Dates_active [ TEXT ] , Max_speed [ INT ] , Damage_millions_USD [ INT ] , Number_Deaths [ INT ] | region : Region_id [ INT ] primary_key , Region_code [ TEXT ] , Region_name [ TEXT ] | affected_region : Region_id [ INT ] primary_key affected_region.Region_id = region.Region_id , Storm_ID [ INT ] affected_region.Storm_ID = storm.Storm_ID , Number_city_affected [ INT ] |
-- -- What are the codes and names for all regions, sorted by codes?
| SELECT region_code , region_name FROM region ORDER BY region_code; |
-- Database schema
| storm : Storm_ID [ INT ] primary_key , Name [ TEXT ] , Dates_active [ TEXT ] , Max_speed [ INT ] , Damage_millions_USD [ INT ] , Number_Deaths [ INT ] | region : Region_id [ INT ] primary_key , Region_code [ TEXT ] , Region_name [ TEXT ] | affected_region : Region_id [ INT ] primary_key affected_region.Region_id = region.Region_id , Storm_ID [ INT ] affected_region.Storm_ID = storm.Storm_ID , Number_city_affected [ INT ] |
-- -- List all region names in alphabetical order.
| SELECT region_name FROM region ORDER BY region_name; |
-- Database schema
| storm : Storm_ID [ INT ] primary_key , Name [ TEXT ] , Dates_active [ TEXT ] , Max_speed [ INT ] , Damage_millions_USD [ INT ] , Number_Deaths [ INT ] | region : Region_id [ INT ] primary_key , Region_code [ TEXT ] , Region_name [ TEXT ] | affected_region : Region_id [ INT ] primary_key affected_region.Region_id = region.Region_id , Storm_ID [ INT ] affected_region.Storm_ID = storm.Storm_ID , Number_city_affected [ INT ] |
-- -- What are the names of the regions in alphabetical order?
| SELECT region_name FROM region ORDER BY region_name; |
-- Database schema
| storm : Storm_ID [ INT ] primary_key , Name [ TEXT ] , Dates_active [ TEXT ] , Max_speed [ INT ] , Damage_millions_USD [ INT ] , Number_Deaths [ INT ] | region : Region_id [ INT ] primary_key , Region_code [ TEXT ] , Region_name [ TEXT ] | affected_region : Region_id [ INT ] primary_key affected_region.Region_id = region.Region_id , Storm_ID [ INT ] affected_region.Storm_ID = storm.Storm_ID , Number_city_affected [ INT ] |
-- -- Show names for all regions except for Denmark.
| SELECT region_name FROM region WHERE region_name != 'Denmark'; |
-- Database schema
| storm : Storm_ID [ INT ] primary_key , Name [ TEXT ] , Dates_active [ TEXT ] , Max_speed [ INT ] , Damage_millions_USD [ INT ] , Number_Deaths [ INT ] | region : Region_id [ INT ] primary_key , Region_code [ TEXT ] , Region_name [ TEXT ] | affected_region : Region_id [ INT ] primary_key affected_region.Region_id = region.Region_id , Storm_ID [ INT ] affected_region.Storm_ID = storm.Storm_ID , Number_city_affected [ INT ] |
-- -- Return the names of all regions other than Denmark.
| SELECT region_name FROM region WHERE region_name != 'Denmark'; |
-- Database schema
| storm : Storm_ID [ INT ] primary_key , Name [ TEXT ] , Dates_active [ TEXT ] , Max_speed [ INT ] , Damage_millions_USD [ INT ] , Number_Deaths [ INT ] | region : Region_id [ INT ] primary_key , Region_code [ TEXT ] , Region_name [ TEXT ] | affected_region : Region_id [ INT ] primary_key affected_region.Region_id = region.Region_id , Storm_ID [ INT ] affected_region.Storm_ID = storm.Storm_ID , Number_city_affected [ INT ] |
-- -- How many storms had death records?
| SELECT count(*) FROM storm WHERE Number_Deaths > 0; |
-- Database schema
| storm : Storm_ID [ INT ] primary_key , Name [ TEXT ] , Dates_active [ TEXT ] , Max_speed [ INT ] , Damage_millions_USD [ INT ] , Number_Deaths [ INT ] | region : Region_id [ INT ] primary_key , Region_code [ TEXT ] , Region_name [ TEXT ] | affected_region : Region_id [ INT ] primary_key affected_region.Region_id = region.Region_id , Storm_ID [ INT ] affected_region.Storm_ID = storm.Storm_ID , Number_city_affected [ INT ] |
-- -- Count the number of storms in which at least 1 person died.
| SELECT count(*) FROM storm WHERE Number_Deaths > 0; |
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