SELECT EXTRACT(YEAR_MONTH FROM '1999-07-02 01:02:03'); : EXTRACT « Date Time Functions « MySQL Tutorial

1. MySQL Tutorial
2. Date Time Functions
3. EXTRACT

mysql>
mysql> SELECT EXTRACT(YEAR_MONTH FROM '1999-07-02 01:02:03');
+------------------------------------------------+
| EXTRACT(YEAR_MONTH FROM '1999-07-02 01:02:03') |
+------------------------------------------------+
|                                         199907 |
+------------------------------------------------+
1 row in set (0.00 sec)

mysql>