Date Time Functions MySQL Tutorial

The mode could be 0 ,1 ,2 ,3 ,4 ,5 ,6 ,7.

mysql>
mysql> SELECT YEARWEEK('1987-01-01');
+------------------------+
| YEARWEEK('1987-01-01') |
+------------------------+
|                 198652 |
+------------------------+
1 row in set (0.00 sec)
mysql>