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-- 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;
|
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