2 ALTER TABLE /*$wgDBprefix*/user_groups
3 CHANGE user_id ug_user
INT UNSIGNED
NOT NULL DEFAULT '0',
4 CHANGE group_id ug_group
INT UNSIGNED
NOT NULL DEFAULT '0';
6 ALTER TABLE /*$wgDBprefix*/user_rights
7 CHANGE user_id ur_user
INT UNSIGNED
NOT NULL,
8 CHANGE user_rights ur_rights TINYBLOB
NOT NULL;