Dludora/DAIL-BIRD huggingface dataset:
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: List down the platform IDs of the games with a region ID of 3. */
SELECT 
SELECT T2.id FROM region_sales AS T1 INNER JOIN game_platform AS T2 ON T1.game_platform_id = T2.id WHERE T1.region_id = 3
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: What are the sales made by the games in Japan region? sales = SUM(num_sales); Japan region refers to region_name = 'Japan'; */
SELECT 
SELECT SUM(CASE WHEN T2.region_name = 'Japan' THEN T1.num_sales ELSE 0 END) AS nums FROM region_sales AS T1 INNER JOIN region AS T2 ON T1.region_id = T2.id
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: How many game publisher IDs have published games on the X360 platform? X360 refers to platform_name = 'X360'; */
SELECT 
SELECT COUNT(T1.game_publisher_id) FROM game_platform AS T1 INNER JOIN platform AS T2 ON T1.platform_id = T2.id WHERE T2.platform_name = 'X360'
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: State the name of the platforms for games released in 2000. name of the platforms refers to platform_name; released in 2000 refers to release_year = 2000; */
SELECT 
SELECT DISTINCT T2.platform_name FROM game_platform AS T1 INNER JOIN platform AS T2 ON T1.platform_id = T2.id WHERE T1.release_year = 2000
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: Find out the difference between the number of publishers who released the games on the PS3 and X360. difference = SUBTRACT(SUM(platform_name = 'PS3'), SUM(platform_name = 'X360')); PS3 refers to platform_name = 'PS3'; X360 refers to platform_name = 'X360'; */
SELECT 
SELECT COUNT(CASE WHEN T2.platform_name = 'PS3' THEN T1.game_publisher_id ELSE NULL END) - COUNT(CASE WHEN T2.platform_name = 'X360' THEN T1.game_publisher_id ELSE NULL END) FROM game_platform AS T1 INNER JOIN platform AS T2 ON T1.platform_id = T2.id
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: What are the game IDs of the games published by Bethesda Softworks? Bethesda Softworks refers to publisher_name = 'Bethesda Softworks'; */
SELECT 
SELECT T1.game_id FROM game_publisher AS T1 INNER JOIN publisher AS T2 ON T1.publisher_id = T2.id WHERE T2.publisher_name = 'Bethesda Softworks'
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: Calculate the total number of IDs for the game published by Capcom and Sony Computer Entertainment. Capcom refers to publisher_name = 'Capcom';  Sony Computer Entertainment refers to publisher_name = 'Sony Computer Entertainment'; */
SELECT 
SELECT COUNT(DISTINCT T1.game_id) FROM game_publisher AS T1 INNER JOIN publisher AS T2 ON T1.publisher_id = T2.id WHERE T2.publisher_name IN ('Capcom', 'Sony Computer Entertainment')
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: What is the genre of the game "Grand Theft Auto V"? genre refers to genre_name; "Grand Theft Auto V" refers to game_name = 'Grand Theft Auto V'; */
SELECT 
SELECT T2.genre_name FROM game AS T1 INNER JOIN genre AS T2 ON T1.genre_id = T2.id WHERE T1.game_name = 'Grand Theft Auto V'
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: List down the names of the games in the racing genre. name of games refers to game_name; racing genre refers to genre_name = 'Racing'; */
SELECT 
SELECT T1.game_name FROM game AS T1 INNER JOIN genre AS T2 ON T1.genre_id = T2.id WHERE T2.genre_name = 'Racing'
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: Calculate the number of games in the fighting genre. fighting genre refers to genre_name = 'Fighting'; */
SELECT 
SELECT COUNT(T1.id) FROM game AS T1 INNER JOIN genre AS T2 ON T1.genre_id = T2.id WHERE T2.genre_name = 'Fighting'
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: What are the genres of games published by the publisher with an ID of 464? genres of games refers to genre_name; publisher with an ID of 464 refers to publisher_id = 464; */
SELECT 
SELECT DISTINCT T2.genre_name FROM game AS T1 INNER JOIN genre AS T2 ON T1.genre_id = T2.id INNER JOIN game_publisher AS T3 ON T1.id = T3.game_id WHERE T3.publisher_id = 464
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: Find out the platform of the game "Final Fantasy XIII-2". platform of the game refers to platform_name; "Final Fantasy XIII-2" refers to game_name = 'Final Fantasy XIII-2'; */
SELECT 
SELECT T4.platform_name FROM game AS T1 INNER JOIN game_publisher AS T2 ON T1.id = T2.game_id INNER JOIN game_platform AS T3 ON T2.id = T3.game_publisher_id INNER JOIN platform AS T4 ON T3.platform_id = T4.id WHERE T1.game_name = 'Final Fantasy XIII-2'
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: Calculate the total sales made by the games released in 2000. total sales = SUM(num_sales); released in 2000 refers to release_year = 2000; */
SELECT 
SELECT SUM(T1.num_sales) FROM region_sales AS T1 INNER JOIN game_platform AS T2 ON T1.game_platform_id = T2.id WHERE T2.release_year = 2000
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: Calculate the difference in sales between the games released in 1990 and 2000. difference = SUBTRACT(SUM(num_sales WHERE release_year = 2000), SUM(num_sales WHERE release_year = 1990)); */
SELECT 
SELECT SUM(CASE WHEN T2.release_year = 2000 THEN T1.num_sales ELSE 0 END) - SUM(CASE WHEN T2.release_year = 1990 THEN T1.num_sales ELSE 0 END) FROM region_sales AS T1 INNER JOIN game_platform AS T2 ON T1.game_platform_id = T2.id
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: What are the platform IDs of records released in 2006? released in 1990 refers to release_year = 1990; 2000 refers to release_year = 2000; */
SELECT 
SELECT DISTINCT T.platform_id FROM game_platform AS T WHERE T.release_year = 2006
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: Compute the average number of sales in region ID 3. average = AVG(MULTIPLY(num_sales, 100000)); */
SELECT 
SELECT AVG(T.num_sales * 100000) FROM region_sales AS T WHERE T.region_id = 3
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: In which year did the record ID 19 with game publisher ID 6657 released? which year refers to release_year; record ID 19 refers to game platform.id; id = 19 */
SELECT 
SELECT T.release_year FROM game_platform AS T WHERE T.game_publisher_id = 6657 AND T.id = 19
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: Calculate the total sales in all regions with game platform ID 66. total sales in all regions = MULTIPLY(SUM(num_sales), 100000); */
SELECT 
SELECT SUM(T.num_sales) * 100000 FROM region_sales AS T WHERE T.game_platform_id = 66
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: Give the game name of the game ID 44. */
SELECT 
SELECT T.game_name FROM game AS T WHERE T.id = 44
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: List the games available on Wii. games available refers to game_name; Wii refers to platform_name = 'Wii'; */
SELECT 
SELECT T4.game_name FROM platform AS T1 INNER JOIN game_platform AS T2 ON T1.id = T2.platform_id INNER JOIN game_publisher AS T3 ON T2.game_publisher_id = T3.id INNER JOIN game AS T4 ON T3.game_id = T4.id WHERE T1.platform_name = 'Wii'
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: Provide the name of games released in 2015. names of games refers to game_name; released in 2015 refers to release_year = 2015; */
SELECT 
SELECT T3.game_name FROM game_platform AS T1 INNER JOIN game_publisher AS T2 ON T1.game_publisher_id = T2.id INNER JOIN game AS T3 ON T2.game_id = T3.id WHERE T1.release_year = 2015
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: What is the total number of adventure games released in 2005? adventure games refers to game_name WHERE genre_name = 'Adventure'; released in 2005 refers to release_year = 2005; */
SELECT 
SELECT COUNT(DISTINCT T3.id) FROM game_platform AS T1 INNER JOIN game_publisher AS T2 ON T1.game_publisher_id = T2.id INNER JOIN game AS T3 ON T2.game_id = T3.id INNER JOIN genre AS T4 ON T3.genre_id = T4.id WHERE T4.genre_name = 'Adventure' AND T1.release_year = 2005
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: What is the name of the company that produced the game titled Adventure Time: Explore the Dungeon Because I Don't Know!? name of the company that produced the game refers to publisher_name; Adventure Time: Explore the Dungeon Because I Don't Know! Refers to game_name = 'Adventure Time: Explore the Dungeon Because I Don''t Know!'; */
SELECT 
SELECT T3.publisher_name FROM game AS T1 INNER JOIN game_publisher AS T2 ON T1.id = T2.game_id INNER JOIN publisher AS T3 ON T2.publisher_id = T3.id WHERE T1.game_name = 'Adventure Time: Explore the Dungeon Because I Don''t Know!'
/* Given the following database schema: */
CREATE TABLE genre
(
    id         INTEGER not null
            primary key,
    genre_name TEXT default NULL
)

CREATE TABLE game
(
    id        INTEGER not null
            primary key,
    genre_id  INTEGER          default NULL,
    game_name TEXT default NULL,
    foreign key (genre_id) references genre(id)
)

CREATE TABLE platform
(
    id            INTEGER not null
            primary key,
    platform_name TEXT default NULL
)

CREATE TABLE publisher
(
    id             INTEGER not null
            primary key,
    publisher_name TEXT default NULL
)

CREATE TABLE game_publisher
(
    id           INTEGER not null
            primary key,
    game_id      INTEGER default NULL,
    publisher_id INTEGER default NULL,
    foreign key (game_id) references game(id),
    foreign key (publisher_id) references publisher(id)
)

CREATE TABLE game_platform
(
    id                INTEGER not null
            primary key,
    game_publisher_id INTEGER default NULL,
    platform_id       INTEGER default NULL,
    release_year      INTEGER default NULL,
    foreign key (game_publisher_id) references game_publisher(id),
    foreign key (platform_id) references platform(id)
)

CREATE TABLE region
(
    id          INTEGER not null
            primary key,
    region_name TEXT default NULL
)

CREATE TABLE region_sales
(
    region_id        INTEGER           default NULL,
    game_platform_id INTEGER           default NULL,
    num_sales        REAL default NULL,
    foreign key (game_platform_id) references game_platform(id),
    foreign key (region_id) references region(id)
)

/* Answer the following: List down the game platform ID and region name where the games achieved 20000 sales and below. 20000 sales and below refers to num_sales < 0.2; */
SELECT 
SELECT T2.game_platform_id, T1.region_name FROM region AS T1 INNER JOIN region_sales AS T2 ON T1.id = T2.region_id WHERE T2.num_sales * 100000 <= 20000