-- recordings CREATE TABLE recordings_plays( id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(), recording_id VARCHAR(64) NOT NULL REFERENCES recordings(id) ON DELETE CASCADE, player_id VARCHAR(64) NOT NULL REFERENCES users(id) ON DELETE CASCADE, created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ); -- sessions CREATE TABLE sessions_plays ( id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(), music_session_id VARCHAR(64) NOT NULL REFERENCES music_sessions(id) ON DELETE CASCADE, player_id VARCHAR(64) NOT NULL REFERENCES users(id) ON DELETE CASCADE, created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP );