mysql关联删除

一、从数据表t1中把那些id值在数据表t2里有匹配的记录全删除掉1  html DELETE t1 FROM t1,t2 WHERE t1.id=t2.id DELETE FROM t1 USING t1,t2 WHERE t1.id=t2.id   二、从数据表t1里在数据表t2里没有匹配的记录查找出来并删除掉1  post DELETE t1 FROM t1 LEFT JOIN T2 ON

>>阅读原文<<