Mega Code Archive
MICROSECOND(expr) returns the microseconds as a number in the range from 0 to 999999
mysql>
mysql> SELECT MICROSECOND('12:00:00.123456');
+--------------------------------+
| MICROSECOND('12:00:00.123456') |
+--------------------------------+
| 123456 |
+--------------------------------+
1 row in set (0.00 sec)
mysql>