'Remove the object\'s associated rows from the database.'

def remove(self):

    self._check_db()
    with self._db.transaction() as tx:
        tx.mutate('DELETE    FROM    {0}    WHERE    id=?'.format(self._table), (self.id,))
        tx.mutate('DELETE    FROM    {0}    WHERE    entity_id=?'.format(self._flex_table), (self.id,))
