Date Time Functions MySQL Tutorial

mysql>
mysql> SELECT EXTRACT(SECOND_MICROSECOND FROM '2003-01-02 10:30:00.000123');
+---------------------------------------------------------------+
| EXTRACT(SECOND_MICROSECOND FROM '2003-01-02 10:30:00.000123') |
+---------------------------------------------------------------+
|                                                           123 |
+---------------------------------------------------------------+
1 row in set (0.00 sec)