Extension:MediaUploader/mu campaign table

mysql> describe mu_campaign;
+-------------------+------------------+------+-----+---------+-------+
| Field             | Type             | Null | Key | Default | Extra |
+-------------------+------------------+------+-----+---------+-------+
| campaign_page_id  | int(10) unsigned | NO   | PRI | NULL    |       |
| campaign_enabled  | int(11)          | NO   | MUL | 0       |       |
| campaign_validity | int(11)          | NO   |     | NULL    |       |
| campaign_content  | longblob         | YES  |     | NULL    |       |
+-------------------+------------------+------+-----+---------+-------+