Extension:CentralAuth/wikiset table
mysql> describe wikiset; +----------+------------------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +----------+------------------------+------+-----+---------+----------------+ | ws_id | int(11) | NO | PRI | NULL | auto_increment | | ws_name | varbinary(255) | NO | UNI | NULL | | | ws_type | enum('optin','optout') | YES | | NULL | | | ws_wikis | blob | NO | | NULL | | +----------+------------------------+------+-----+---------+----------------+