Datasets:

lamini

/

text_to_sql_finetune

like 9

-- Database schema | follows : f1 [ INT ] primary_key follows.f1 = user_profiles.uid , f2 [ INT ] follows.f2 = user_profiles.uid | tweets : id [ INT ] primary_key , uid [ INT ] tweets.uid = user_profiles.uid , text [ TEXT ] , createdate [ TEXT ] | user_profiles : uid [ INT ] primary_key , name [ TEXT ] , email [ TEXT ] , partitionid [ INT ] , followers [ INT ] | -- -- Find the maximum and total number of followers of all users.

SELECT max(followers) , sum(followers) FROM user_profiles;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the names of all the catalog entries.

SELECT distinct(catalog_entry_name) FROM catalog_contents;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- What are all the catalog entry names?

SELECT distinct(catalog_entry_name) FROM catalog_contents;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the list of attribute data types possessed by more than 3 attribute definitions.

SELECT attribute_data_type FROM Attribute_Definitions GROUP BY attribute_data_type HAVING count(*) > 3;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- What are the attribute data types with more than 3 attribute definitions?

SELECT attribute_data_type FROM Attribute_Definitions GROUP BY attribute_data_type HAVING count(*) > 3;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- What is the attribute data type of the attribute with name "Green"?

SELECT attribute_data_type FROM Attribute_Definitions WHERE attribute_name = "Green";

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the attribute data type for the attribute named "Green".

SELECT attribute_data_type FROM Attribute_Definitions WHERE attribute_name = "Green";

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the name and level of catalog structure with level between 5 and 10.

SELECT catalog_level_name , catalog_level_number FROM Catalog_Structure WHERE catalog_level_number BETWEEN 5 AND 10;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- What are the name and level of catalog structure with level number between 5 and 10

SELECT catalog_level_name , catalog_level_number FROM Catalog_Structure WHERE catalog_level_number BETWEEN 5 AND 10;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find all the catalog publishers whose name contains "Murray"

SELECT distinct(catalog_publisher) FROM catalogs WHERE catalog_publisher LIKE "%Murray%";

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Which catalog publishers have substring "Murray" in their names?

SELECT distinct(catalog_publisher) FROM catalogs WHERE catalog_publisher LIKE "%Murray%";

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Which catalog publisher has published the most catalogs?

SELECT catalog_publisher FROM catalogs GROUP BY catalog_publisher ORDER BY count(*) DESC LIMIT 1;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the catalog publisher that has the most catalogs.

SELECT catalog_publisher FROM catalogs GROUP BY catalog_publisher ORDER BY count(*) DESC LIMIT 1;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the names and publication dates of all catalogs that have catalog level number greater than 5.

SELECT t1.catalog_name , t1.date_of_publication FROM catalogs AS t1 JOIN catalog_structure AS t2 ON t1.catalog_id = t2.catalog_id WHERE catalog_level_number > 5;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- What are the name and publication date of the catalogs with catalog level number above 5?

SELECT t1.catalog_name , t1.date_of_publication FROM catalogs AS t1 JOIN catalog_structure AS t2 ON t1.catalog_id = t2.catalog_id WHERE catalog_level_number > 5;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- What are the entry names of catalog with the attribute possessed by most entries.

SELECT t1.catalog_entry_name FROM Catalog_Contents AS t1 JOIN Catalog_Contents_Additional_Attributes AS t2 ON t1.catalog_entry_id = t2.catalog_entry_id WHERE t2.attribute_value = (SELECT attribute_value FROM Catalog_Contents_Additional_Attributes GROUP BY attribute_value ORDER BY count(*) DESC LIMIT 1);

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the entry names of the catalog with the attribute that have the most entries.

SELECT t1.catalog_entry_name FROM Catalog_Contents AS t1 JOIN Catalog_Contents_Additional_Attributes AS t2 ON t1.catalog_entry_id = t2.catalog_entry_id WHERE t2.attribute_value = (SELECT attribute_value FROM Catalog_Contents_Additional_Attributes GROUP BY attribute_value ORDER BY count(*) DESC LIMIT 1);

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- What is the entry name of the most expensive catalog (in USD)?

SELECT catalog_entry_name FROM catalog_contents ORDER BY price_in_dollars DESC LIMIT 1;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the entry name of the catalog with the highest price (in USD).

SELECT catalog_entry_name FROM catalog_contents ORDER BY price_in_dollars DESC LIMIT 1;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- What is the level name of the cheapest catalog (in USD)?

SELECT t2.catalog_level_name FROM catalog_contents AS t1 JOIN catalog_structure AS t2 ON t1.catalog_level_number = t2.catalog_level_number ORDER BY t1.price_in_dollars LIMIT 1;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the level name of the catalog with the lowest price (in USD).

SELECT t2.catalog_level_name FROM catalog_contents AS t1 JOIN catalog_structure AS t2 ON t1.catalog_level_number = t2.catalog_level_number ORDER BY t1.price_in_dollars LIMIT 1;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- What are the average and minimum price (in Euro) of all products?

SELECT avg(price_in_euros) , min(price_in_euros) FROM catalog_contents;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Give me the average and minimum price (in Euro) of the products.

SELECT avg(price_in_euros) , min(price_in_euros) FROM catalog_contents;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- What is the product with the highest height? Give me the catalog entry name.

SELECT catalog_entry_name FROM catalog_contents ORDER BY height DESC LIMIT 1;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Which catalog content has the highest height? Give me the catalog entry name.

SELECT catalog_entry_name FROM catalog_contents ORDER BY height DESC LIMIT 1;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the name of the product that has the smallest capacity.

SELECT catalog_entry_name FROM catalog_contents ORDER BY capacity ASC LIMIT 1;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Which catalog content has the smallest capacity? Return the catalog entry name.

SELECT catalog_entry_name FROM catalog_contents ORDER BY capacity ASC LIMIT 1;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the names of all the products whose stock number starts with "2".

SELECT catalog_entry_name FROM catalog_contents WHERE product_stock_number LIKE "2%";

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Which catalog contents have a product stock number that starts from "2"? Show the catalog entry names.

SELECT catalog_entry_name FROM catalog_contents WHERE product_stock_number LIKE "2%";

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the names of catalog entries with level number 8.

SELECT t1.catalog_entry_name FROM Catalog_Contents AS t1 JOIN Catalog_Contents_Additional_Attributes AS t2 ON t1.catalog_entry_id = t2.catalog_entry_id WHERE t2.catalog_level_number = "8";

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- What are the names of catalog entries with level number 8?

SELECT t1.catalog_entry_name FROM Catalog_Contents AS t1 JOIN Catalog_Contents_Additional_Attributes AS t2 ON t1.catalog_entry_id = t2.catalog_entry_id WHERE t2.catalog_level_number = "8";

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the names of the products with length smaller than 3 or height greater than 5.

SELECT catalog_entry_name FROM catalog_contents WHERE LENGTH < 3 OR width > 5;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Which catalog contents have length below 3 or above 5? Find the catalog entry names.

SELECT catalog_entry_name FROM catalog_contents WHERE LENGTH < 3 OR width > 5;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the name and attribute ID of the attribute definitions with attribute value 0.

SELECT t1.attribute_name , t1.attribute_id FROM Attribute_Definitions AS t1 JOIN Catalog_Contents_Additional_Attributes AS t2 ON t1.attribute_id = t2.attribute_id WHERE t2.attribute_value = 0;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Which attribute definitions have attribute value 0? Give me the attribute name and attribute ID.

SELECT t1.attribute_name , t1.attribute_id FROM Attribute_Definitions AS t1 JOIN Catalog_Contents_Additional_Attributes AS t2 ON t1.attribute_id = t2.attribute_id WHERE t2.attribute_value = 0;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the name and capacity of products with price greater than 700 (in USD).

SELECT catalog_entry_name , capacity FROM Catalog_Contents WHERE price_in_dollars > 700;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Which catalog contents has price above 700 dollars? Show their catalog entry names and capacities.

SELECT catalog_entry_name , capacity FROM Catalog_Contents WHERE price_in_dollars > 700;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the dates on which more than one revisions were made.

SELECT date_of_latest_revision FROM Catalogs GROUP BY date_of_latest_revision HAVING count(*) > 1;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- On which days more than one revisions were made on catalogs.

SELECT date_of_latest_revision FROM Catalogs GROUP BY date_of_latest_revision HAVING count(*) > 1;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- How many products are there in the records?

SELECT count(*) FROM catalog_contents;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Find the total number of catalog contents.

SELECT count(*) FROM catalog_contents;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- Name all the products with next entry ID greater than 8.

SELECT catalog_entry_name FROM catalog_contents WHERE next_entry_id > 8;

-- Database schema | Attribute_Definitions : attribute_id [ INT ] primary_key , attribute_name [ TEXT ] , attribute_data_type [ TEXT ] | Catalogs : catalog_id [ INT ] primary_key , catalog_name [ TEXT ] , catalog_publisher [ TEXT ] , date_of_publication [ TEXT ] , date_of_latest_revision [ TEXT ] | Catalog_Structure : catalog_level_number [ INT ] primary_key , catalog_id [ INT ] Catalog_Structure.catalog_id = Catalogs.catalog_id , catalog_level_name [ TEXT ] | Catalog_Contents : catalog_entry_id [ INT ] primary_key , catalog_level_number [ INT ] Catalog_Contents.catalog_level_number = Catalog_Structure.catalog_level_number , parent_entry_id [ INT ] , previous_entry_id [ INT ] , next_entry_id [ INT ] , catalog_entry_name [ TEXT ] , product_stock_number [ TEXT ] , price_in_dollars [ INT ] , price_in_euros [ INT ] , price_in_pounds [ INT ] , capacity [ TEXT ] , length [ TEXT ] , height [ TEXT ] , width [ TEXT ] | Catalog_Contents_Additional_Attributes : catalog_entry_id [ INT ] Catalog_Contents_Additional_Attributes.catalog_entry_id = Catalog_Contents.catalog_entry_id , catalog_level_number [ INT ] Catalog_Contents_Additional_Attributes.catalog_level_number = Catalog_Structure.catalog_level_number , attribute_id [ INT ] , attribute_value [ TEXT ] | -- -- What are the catalog entry names of the products with next entry ID above 8?

SELECT catalog_entry_name FROM catalog_contents WHERE next_entry_id > 8;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- How many aircrafts do we have?

SELECT count(*) FROM Aircraft;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- How many aircrafts exist in the database?

SELECT count(*) FROM Aircraft;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show name and distance for all aircrafts.

SELECT name , distance FROM Aircraft;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What are the names and distances for all airplanes?

SELECT name , distance FROM Aircraft;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show ids for all aircrafts with more than 1000 distance.

SELECT aid FROM Aircraft WHERE distance > 1000;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What are the ids of all aircrafts that can cover a distance of more than 1000?

SELECT aid FROM Aircraft WHERE distance > 1000;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- How many aircrafts have distance between 1000 and 5000?

SELECT count(*) FROM Aircraft WHERE distance BETWEEN 1000 AND 5000;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the count of aircrafts that have a distance between 1000 and 5000?

SELECT count(*) FROM Aircraft WHERE distance BETWEEN 1000 AND 5000;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the name and distance for aircraft with id 12?

SELECT name , distance FROM Aircraft WHERE aid = 12;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the name and distance for the aircraft that has an id of 12?

SELECT name , distance FROM Aircraft WHERE aid = 12;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the minimum, average, and maximum distance of all aircrafts.

SELECT min(distance) , avg(distance) , max(distance) FROM Aircraft;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Return the minimum, average and maximum distances traveled across all aircrafts.

SELECT min(distance) , avg(distance) , max(distance) FROM Aircraft;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show the id and name of the aircraft with the maximum distance.

SELECT aid , name FROM Aircraft ORDER BY distance DESC LIMIT 1;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the id and name of the aircraft that can cover the maximum distance?

SELECT aid , name FROM Aircraft ORDER BY distance DESC LIMIT 1;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show the name of aircrafts with top three lowest distances.

SELECT name FROM Aircraft ORDER BY distance LIMIT 3;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What are the aircrafts with top 3 shortest lengthes? List their names.

SELECT name FROM Aircraft ORDER BY distance LIMIT 3;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show names for all aircrafts with distances more than the average.

SELECT name FROM Aircraft WHERE distance > (SELECT avg(distance) FROM Aircraft);

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What are the names of all aircrafts that can cover more distances than average?

SELECT name FROM Aircraft WHERE distance > (SELECT avg(distance) FROM Aircraft);

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- How many employees do we have?

SELECT count(*) FROM Employee;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the number of employees?

SELECT count(*) FROM Employee;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show name and salary for all employees sorted by salary.

SELECT name , salary FROM Employee ORDER BY salary;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the name and salary of all employees in order of salary?

SELECT name , salary FROM Employee ORDER BY salary;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show ids for all employees with at least 100000 salary.

SELECT eid FROM Employee WHERE salary > 100000;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the id of every employee who has at least a salary of 100000?

SELECT eid FROM Employee WHERE salary > 100000;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- How many employees have salary between 100000 and 200000?

SELECT count(*) FROM Employee WHERE salary BETWEEN 100000 AND 200000;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the number of employees that have a salary between 100000 and 200000?

SELECT count(*) FROM Employee WHERE salary BETWEEN 100000 AND 200000;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the name and salary for employee with id 242518965?

SELECT name , salary FROM Employee WHERE eid = 242518965;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the name and salary of the employee with the id 242518965?

SELECT name , salary FROM Employee WHERE eid = 242518965;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is average and maximum salary of all employees.

SELECT avg(salary) , max(salary) FROM Employee;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the average and largest salary of all employees?

SELECT avg(salary) , max(salary) FROM Employee;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show the id and name of the employee with maximum salary.

SELECT eid , name FROM Employee ORDER BY salary DESC LIMIT 1;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the id and name of the employee with the highest salary?

SELECT eid , name FROM Employee ORDER BY salary DESC LIMIT 1;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show the name of employees with three lowest salaries.

SELECT name FROM Employee ORDER BY salary ASC LIMIT 3;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the name of the 3 employees who get paid the least?

SELECT name FROM Employee ORDER BY salary ASC LIMIT 3;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show names for all employees with salary more than the average.

SELECT name FROM Employee WHERE salary > (SELECT avg(salary) FROM Employee);

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What are the names of all employees who have a salary higher than average?

SELECT name FROM Employee WHERE salary > (SELECT avg(salary) FROM Employee);

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show the id and salary of Mark Young.

SELECT eid , salary FROM Employee WHERE name = 'Mark Young';

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the id and salary of the employee named Mark Young?

SELECT eid , salary FROM Employee WHERE name = 'Mark Young';

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- How many flights do we have?

SELECT count(*) FROM Flight;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the number of flights?

SELECT count(*) FROM Flight;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show flight number, origin, destination of all flights in the alphabetical order of the departure cities.

SELECT flno , origin , destination FROM Flight ORDER BY origin;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the flight number, origin, and destination for all flights in alphabetical order by departure cities?

SELECT flno , origin , destination FROM Flight ORDER BY origin;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show all flight number from Los Angeles.

SELECT flno FROM Flight WHERE origin = "Los Angeles";

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What are the numbers of all flights coming from Los Angeles?

SELECT flno FROM Flight WHERE origin = "Los Angeles";

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show origins of all flights with destination Honolulu.

SELECT origin FROM Flight WHERE destination = "Honolulu";

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What are the origins of all flights that are headed to Honolulu?

SELECT origin FROM Flight WHERE destination = "Honolulu";

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show me the departure date and arrival date for all flights from Los Angeles to Honolulu.

SELECT departure_date , arrival_date FROM Flight WHERE origin = "Los Angeles" AND destination = "Honolulu";

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What are the departure and arrival dates of all flights from LA to Honolulu?

SELECT departure_date , arrival_date FROM Flight WHERE origin = "Los Angeles" AND destination = "Honolulu";

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show flight number for all flights with more than 2000 distance.

SELECT flno FROM Flight WHERE distance > 2000;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What are the numbers of all flights that can cover a distance of more than 2000?

SELECT flno FROM Flight WHERE distance > 2000;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the average price for flights from Los Angeles to Honolulu.

SELECT avg(price) FROM Flight WHERE origin = "Los Angeles" AND destination = "Honolulu";

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the average price for flights from LA to Honolulu?

SELECT avg(price) FROM Flight WHERE origin = "Los Angeles" AND destination = "Honolulu";

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show origin and destination for flights with price higher than 300.

SELECT origin , destination FROM Flight WHERE price > 300;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the origin and destination for all flights whose price is higher than 300?

SELECT origin , destination FROM Flight WHERE price > 300;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show the flight number and distance of the flight with maximum price.

SELECT flno , distance FROM Flight ORDER BY price DESC LIMIT 1;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- What is the flight number and its distance for the one with the maximum price?

SELECT flno , distance FROM Flight ORDER BY price DESC LIMIT 1;

-- Database schema | flight : flno [ INT ] primary_key , origin [ TEXT ] , destination [ TEXT ] , distance [ INT ] , departure_date [ TEXT ] , arrival_date [ TEXT ] , price [ INT ] , aid [ INT ] flight.aid = aircraft.aid | aircraft : aid [ INT ] primary_key , name [ TEXT ] , distance [ INT ] | employee : eid [ INT ] primary_key , name [ TEXT ] , salary [ INT ] | certificate : eid [ INT ] primary_key certificate.eid = employee.eid , aid [ INT ] certificate.aid = aircraft.aid | -- -- Show the flight number of flights with three lowest distances.

SELECT flno FROM Flight ORDER BY distance ASC LIMIT 3;