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CREATE TABLE album (
title varchar(100) NOT NULL default '',
PRIMARY KEY (title)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
CREATE TABLE artist (
name varchar(25) NOT NULL default '',
PRIMARY KEY (name)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
CREATE TABLE album_artists (
album_title varchar(100) NOT NULL default '',
artist_name varchar(25) NOT NULL default '',
PRIMARY KEY (album_title,artist_name),
KEY FK_album_artists_2 (artist_name)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
CREATE TABLE track (
id int(11) NOT NULL auto_increment,
song_name varchar(200) NOT NULL default '',
album_id varchar(100) NOT NULL default '',
PRIMARY KEY (id),
KEY album_id (album_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
ALTER TABLE album_artists
ADD CONSTRAINT FK_album_artists_2 FOREIGN KEY (artist_name) REFERENCES artist (name),
ADD CONSTRAINT FK_album_artists_1 FOREIGN KEY (album_title) REFERENCES album (title);
ALTER TABLE track
ADD CONSTRAINT track_ibfk_1 FOREIGN KEY (album_id) REFERENCES album (title);
INSERT INTO album (title) VALUES ('Album 1');
INSERT INTO album (title) VALUES ('Album 2');
INSERT INTO artist (name) VALUES ('Dan');
INSERT INTO artist (name) VALUES ('Jenny');
INSERT INTO artist (name) VALUES ('Karl');
INSERT INTO artist (name) VALUES ('Tom');
INSERT INTO album_artists (album_title, artist_name) VALUES ('Album 1', 'Dan');
INSERT INTO album_artists (album_title, artist_name) VALUES ('Album 2', 'Dan');
INSERT INTO album_artists (album_title, artist_name) VALUES ('Album 1', 'Jenny');
INSERT INTO album_artists (album_title, artist_name) VALUES ('Album 2', 'Karl');
INSERT INTO album_artists (album_title, artist_name) VALUES ('Album 2', 'Tom');
INSERT INTO track (id, song_name, album_id) VALUES (1, 'Track 1', 'Album 1');
INSERT INTO track (id, song_name, album_id) VALUES (2, 'Song 2', 'Album 1');
INSERT INTO track (id, song_name, album_id) VALUES (3, 'Track A', 'Album 2');
INSERT INTO track (id, song_name, album_id) VALUES (4, 'Track B', 'Album 2');
INSERT INTO track (id, song_name, album_id) VALUES (5, 'Song 3', 'Album 1');
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