7 lines
325 B
SQL
7 lines
325 B
SQL
-- recording -> genre mapping
|
|
CREATE TABLE recordings_genres (
|
|
recording_id VARCHAR(64) NOT NULL REFERENCES recordings(id) ON DELETE CASCADE,
|
|
genre_id VARCHAR(64) NOT NULL REFERENCES genres(id) ON DELETE CASCADE
|
|
);
|
|
|
|
ALTER TABLE recordings_genres ADD CONSTRAINT recording_genre_uniqkey UNIQUE (recording_id, genre_id); |