mysql> desc time_zone_transition; +--------------------+------------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +--------------------+------------------+------+-----+---------+-------+ | Time_zone_id | int(10) unsigned | NO | PRI | | | | Transition_time | bigint(20) | NO | PRI | | | | Transition_type_id | int(10) unsigned | NO | | | | +--------------------+------------------+------+-----+---------+-------+ 3 rows in set (0.02 sec) mysql> use test Database changed