```CREATE TABLE user_track ( user_id BI...

# exposed

[Pere Casafont]

CREATE TABLE user_track
(
  user_id          BIGINT,
  track_id         BIGINT,
  preference_score DOUBLE NOT NULL,
  PRIMARY KEY (user_id, track_id),
  CONSTRAINT user_track_user_id_fk FOREIGN KEY (user_id) REFERENCES user (id)
    ON UPDATE CASCADE
    ON DELETE CASCADE,
  CONSTRAINT user_track_track_id_fk FOREIGN KEY (track_id) REFERENCES track (id)
    ON UPDATE CASCADE
    ON DELETE CASCADE
);