MySQL Tutorial/Data Dictionary/time zone leap second

time_zone_leap_second

mysql> desc time_zone_leap_second;
+-----------------+------------+------+-----+---------+-------+
| Field           | Type       | Null | Key | Default | Extra |
+-----------------+------------+------+-----+---------+-------+
| Transition_time | bigint(20) | NO   | PRI |         |       |
| Correction      | int(11)    | NO   |     |         |       |
+-----------------+------------+------+-----+---------+-------+
2 rows in set (0.02 sec)
mysql> use test
Database changed