Works: SELECT * FROM link_users_access ,access, link_guilds_access WHERE access.id=link_users_access.access_id AND access.default_level < 10000 AND link_guilds_access.access_id=access.id AND link_guilds_access.access_level < 10000 AND link_users_access.users_id=1 AND link_users_access.guilds_id=26Does NOT work: DELETE FROM link_users_access USING access, link_guilds_access WHERE access.id=link_users_access.access_id AND access.default_level < 10000 AND link_guilds_access.access_id=access.id AND link_guilds_access.access_level < 10000 AND link_users_access.users_id=1 AND link_users_access.guilds_id=26