I'm using MySQL / InnoDB, and using foreign keys to preserve relationships across tables. In the following scenaro (depicted below), a 'manager' is associated with a 'recordLabel', and an 'artist' is also associated with a 'recordLabel'. When an 'album' is created, it is associated with an 'artist' and a 'manager', but both the artist and the manager need to be associated with the I'm using MySQL / InnoDB, and using foreign key