摘要: 删除同一组内其他记录DELETE from memactivities a where exists(select 1 FROM (select Uuid,ci_no,lst_upd_ts,ROW_NUMBER() OVER(PARTITION BY Uuid order by ci_no) rn... 阅读全文
posted @ 2015-04-29 19:22 顿金 阅读(286) 评论(0) 推荐(0) 编辑