1000 Islands Kingston Holiday KOA营地副总裁【 Patrick Wagner】,为你分享案例:连锁经营形成规模的优势就是要服务+产品标准化...
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MySQL Query : select b.inputtime, b.url,b.title,b.thumb from camp_position_data a,camp_news b where a.id=b.id and a.posid=25 and b.inputtime between 1519833600 and 1522511999 group by ddd order by ddd DESC LIMIT 20 MySQL Error : Unknown column 'ddd' in 'group statement' MySQL Errno : 1054 Message : Unknown column 'ddd' in 'group statement' Need Help?