Query that will select the title of all the songs from the 'Pop' artists. It should use IN
CREATE TABLE artists (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT,
country TEXT,
genre TEXT);
INSERT INTO artists (name, country, genre)
VALUES ("Taylor Swift", "US", "Pop");
INSERT INTO artists (name, country, genre)
VALUES ("Led Zeppelin", "US", "Hard rock");
INSERT INTO artists (name, country, genre)
VALUES ("ABBA", "Sweden", "Disco");
INSERT INTO artists (name, country, genre)
VALUES ("Queen", "UK", "Rock");
INSERT INTO artists (name, country, genre)
VALUES ("Celine Dion", "Canada", "Pop");
INSERT INTO artists (name, country, genre)
VALUES ("Meatloaf", "US", "Hard rock");
INSERT INTO artists (name, country, genre)
VALUES ("Garth Brooks", "US", "Country");
INSERT INTO artists (name, country, genre)
VALUES ("Shania Twain", "Canada", "Country");
INSERT INTO artists (name, country, genre)
VALUES ("Rihanna", "US", "Pop");
INSERT INTO artists (name, country, genre)
VALUES ("Guns N' Roses", "US", "Hard rock");
INSERT INTO artists (name, country, genre)
VALUES ("Gloria Estefan", "US", "Pop");
INSERT INTO artists (name, country, genre)
VALUES ("Bob Marley", "Jamaica", "Reggae");
CREATE TABLE songs (
id INTEGER PRIMARY KEY AUTOINCREMENT,
artist TEXT,
title TEXT);
INSERT INTO songs (artist, title)
VALUES ("Taylor Swift", "Shake it off");
INSERT INTO songs (artist, title)
VALUES ("Rihanna", "Stay");
INSERT INTO songs (artist, title)
VALUES ("Celine Dion", "My heart will go on");
INSERT INTO songs (artist, title)
VALUES ("Celine Dion", "A new day has come");
INSERT INTO songs (artist, title)
VALUES ("Shania Twain", "Party for two");
INSERT INTO songs (artist, title)
VALUES ("Gloria Estefan", "Conga");
INSERT INTO songs (artist, title)
VALUES ("Led Zeppelin", "Stairway to heaven");
INSERT INTO songs (artist, title)
VALUES ("ABBA", "Mamma mia");
INSERT INTO songs (artist, title)
VALUES ("Queen", "Bicycle Race");
INSERT INTO songs (artist, title)
VALUES ("Queen", "Bohemian Rhapsody");
INSERT INTO songs (artist, title)
VALUES ("Guns N' Roses", "Don't cry");
~~~
Ответы (1 шт):
Автор решения: DrMcSheen
→ Ссылка
Проще писать так:
INSERT INTO songs (artist, title) VALUES
("ABBA", "Mamma mia"),
("Queen", "Bicycle Race"),
("Queen", "Bohemian Rhapsody"),
("Guns N' Roses", "Don't cry");
В последней строке использование ' внутри " сбивает разум SQL )))