2013年10月20日
Oracle中删除重复的经典方案
摘要： DELETE FROM PersonnelWHERE ROWID < (SELECT MAX(P1.ROWID) FROM Personnel AS P1 WHERE P1.dup_id = Personnel.dup_id AND P1.name = Personel1.name AND ... ); 阅读全文
posted @ 2013-10-20 18:12 Richard Zhong 阅读(147) 评论(0) 推荐(0)