MySQL Query : SELECT COUNT(*) AS num FROM `zhzyc_com`.`v9_news` WHERE `zhoushu`=3392 and `dipancategory`=3361 AND catid IN (324) LIMIT 1 MySQL Error : Unknown column 'zhoushu' in 'where clause' MySQL Errno : 1054 Message : Unknown column 'zhoushu' in 'where clause' Need Help?