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 by name all the games released in the year 2010. name of the games refers to game_name; released in the year 2010 refers to release_year = 2010; */
SELECT 
SELECT T1.game_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 WHERE T3.release_year = '2010'
/* 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 average game sales for the PS2 platform. average = AVG(MULTIPLY(num_sales), 100000); PS2 refers to platform_name = 'PS2'; */
SELECT 
SELECT SUM(T3.num_sales * 100000) / COUNT(T1.id) FROM platform AS T1 INNER JOIN game_platform AS T2 ON T1.id = T2.platform_id INNER JOIN region_sales AS T3 ON T2.id = T3.game_platform_id WHERE T1.platform_name = 'PS2'
/* 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 percentage of games published by 'Brash Entertainment'? percentage = MULTIPLY(DIVIDE(SUM(publisher_name = 'Brash Entertainment'), COUNT(game_id)), 100.0); 'Brash Entertainment' refers to publisher_name = 'Brash Entertainment'; */
SELECT 
SELECT CAST(COUNT(CASE WHEN T1.publisher_name = 'Brash Entertainment' THEN T2.game_id ELSE NULL END) AS REAL) * 100 / COUNT(T2.game_id) FROM publisher AS T1 INNER JOIN game_publisher AS T2 ON T1.id = T2.publisher_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 is the total number of games sold in region ID 1? total number of games sold = MULTIPLY(SUM(num_sales), 100000); */
SELECT 
SELECT SUM(T.num_sales * 100000) FROM region_sales AS T WHERE T.region_id = 1
/* 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 FIFA games are there across all platforms? FIFA games refers to game_name LIKE '%FIFA%'; */
SELECT 
SELECT COUNT(*) FROM ( SELECT T.game_name FROM game AS T WHERE T.game_name LIKE '%FIFA%' )
/* 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: Which platform is the most popular in Europe? platform that is the most popular refers to platform_name WHERE MAX(num_sales); in Europe refers to region_name = 'Europe' ; */
SELECT 
SELECT T.platform_name FROM ( SELECT T4.platform_name FROM region AS T1 INNER JOIN region_sales AS T2 ON T1.id = T2.region_id INNER JOIN game_platform AS T3 ON T2.game_platform_id = T3.id INNER JOIN platform AS T4 ON T3.platform_id = T4.id WHERE T1.region_name = 'Europe' ORDER BY T2.num_sales DESC LIMIT 1 ) t
/* 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: Who is the publisher of the game 2002 FIFA World Cup? who is the publisher refers to publisher_name; 2002 FIFA World Cup refers to game_name = '2002 FIFA World Cup'; */
SELECT 
SELECT T2.publisher_name FROM game_publisher AS T1 INNER JOIN publisher AS T2 ON T1.publisher_id = T2.id INNER JOIN game AS T3 ON T1.game_id = T3.id WHERE T3.game_name = '2002 FIFA World Cup'
/* 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 platform is the game 3Xtreme available on? what platform refers to platform_name; 3Xtreme refers to game_name = '3Xtreme'; */
SELECT 
SELECT T2.platform_name FROM game_platform AS T1 INNER JOIN platform AS T2 ON T1.platform_id = T2.id INNER JOIN game_publisher AS T3 ON T1.game_publisher_id = T3.id INNER JOIN game AS T4 ON T3.game_id = T4.id WHERE T4.game_name = '3Xtreme'
/* 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 genre is the game 2010 FIFA World Cup South Africa? genre refers to genre_name; 2010 FIFA World Cup South Africa refers to game_name = '2010 FIFA World Cup South Africa'; */
SELECT 
SELECT T2.genre_name FROM game AS T1 INNER JOIN genre AS T2 ON T1.genre_id = T2.id WHERE T1.game_name = '2010 FIFA World Cup South Africa'
/* 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: Which region has the highest number of games sold on all platforms? which region refers to region_name; highest number of games sold on all platforms refers to MAX(SUM(num_sales)); */
SELECT 
SELECT T.region_name FROM ( SELECT T2.region_name, SUM(T1.num_sales) FROM region_sales AS T1 INNER JOIN region AS T2 ON T1.region_id = T2.id INNER JOIN game_platform AS T3 ON T1.game_platform_id = T3.id INNER JOIN platform AS T4 ON T3.platform_id = T4.id GROUP BY T4.platform_name ORDER BY SUM(T1.num_sales) DESC LIMIT 1 ) t
/* 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 games were sold on PS3 platform in Japan? how many games = MULTIPLY(SUM(num_sales), 100000); PS3 refers to platform_name = 'PS3'; Japan refers to region_name = 'Japan'; */
SELECT 
SELECT SUM(T1.num_sales * 100000) FROM region_sales AS T1 INNER JOIN region AS T2 ON T1.region_id = T2.id INNER JOIN game_platform AS T3 ON T1.game_platform_id = T3.id INNER JOIN platform AS T4 ON T3.platform_id = T4.id WHERE T2.region_name = 'Japan' AND T4.platform_name = 'PS3'
/* 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 names of games that were released in 2007? names of games refers to game_name; released in 2007 refers to release_year = 2007; */
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 = 2007
/* 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 games were published by Activision? Activision refers to publisher_name = 'Activision'; */
SELECT 
SELECT COUNT(DISTINCT T3.id) FROM game_publisher AS T1 INNER JOIN publisher AS T2 ON T1.publisher_id = T2.id INNER JOIN game AS T3 ON T1.game_id = T3.id WHERE T2.publisher_name = 'Activision'
/* 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: Indicate the release year of the game with more than 200000 sales in Japan. more than 200000 sales refers to SUM(num_sales) > 2; Japan refers to region_name = 'Japan'; */
SELECT 
SELECT DISTINCT T3.release_year FROM region AS T1 INNER JOIN region_sales AS T2 ON T1.id = T2.region_id INNER JOIN game_platform AS T3 ON T2.game_platform_id = T3.id WHERE T2.num_sales * 100000 > 200000 AND T1.region_name = 'Japan'
/* 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 2010, how many PS3 games were released? in 2010 refers to release_year = 2010; PS3 refers to platform_name = 'PS3'; */
SELECT 
SELECT COUNT(T3.game_id) 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 WHERE T1.platform_name = 'PS3' AND T2.release_year = 2010
/* 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: Indicate the publisher who has published the most games of all time. publisher refers to publisher_name; publisher who has published the most games of all time refers to MAX(COUNT(publisher_name)); */
SELECT 
SELECT T.publisher_name FROM ( SELECT T2.publisher_name, COUNT(DISTINCT T1.game_id) FROM game_publisher AS T1 INNER JOIN publisher AS T2 ON T1.publisher_id = T2.id GROUP BY T2.publisher_name ORDER BY COUNT(DISTINCT T1.game_id) DESC LIMIT 1 ) t
/* 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 shooter games are there? shooter games refers to game_name WHERE genre_name = 'shooter'; */
SELECT 
SELECT COUNT(T1.id) FROM game AS T1 INNER JOIN genre AS T2 ON T1.genre_id = T2.id WHERE T2.genre_name = 'Shooter'
/* 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 percentage of games that were released on PS4 in 2014 among all platforms? percentage - MULTIPLY(DIVIDE(SUM(platform_name = 'PS4'), COUNT(game_id)), 100); in 2014 refers to release_year = 2014; */
SELECT 
SELECT CAST(COUNT(CASE WHEN T2.platform_name = 'PS4' THEN T3.game_id ELSE NULL END) AS REAL) * 100 / COUNT(T3.game_id) FROM game_platform AS T1 INNER JOIN platform AS T2 ON T1.platform_id = T2.id INNER JOIN game_publisher AS T3 ON T1.game_publisher_id = T3.id WHERE T1.release_year = 2014
/* 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 much are the sales of the games in region ID 4? how much are the sales = SUM(num_sales); */
SELECT 
SELECT SUM(T.num_sales) * 100000 FROM region_sales AS T WHERE T.region_id = 4
/* 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 IDs of games with a region ID of 1. */
SELECT 
SELECT T.game_platform_id FROM region_sales AS T WHERE T.region_id = 1
/* 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 between sales of games from region ID 2 and region ID 3. difference = SUBTRACT(SUM(num_sales WHERE region_id = 2), SUM(num_sales WHERE region_id = 3)); */
SELECT 
SELECT SUM(CASE WHEN T.region_id = 2 THEN T.num_sales ELSE 0 END) - SUM(CASE WHEN T.region_id = 3 THEN T.num_sales ELSE 0 END) FROM region_sales t
/* 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 released in 2007. released in 2007 refers to release_year = 2007; */
SELECT 
SELECT DISTINCT T.platform_id FROM game_platform AS T WHERE T.release_year = 2007
/* 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 game publisher IDs of the games with a platform ID of 16. */
SELECT 
SELECT T.game_publisher_id FROM game_platform AS T WHERE T.platform_id = 16
/* 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 game publisher IDs for games released in 1984. released in 1984 refers to release_year = 1984; */
SELECT 
SELECT COUNT(T.game_publisher_id) FROM game_platform AS T WHERE T.release_year = 1984