删除重复数据

delete from cbe_subscriber a
  where rowid !=(select max(rowid) 
            from cbe_subscriber b
          where a.SUBSCRIBERKEY=b.SUBSCRIBERKEY
                  and a.APPLYTIME=b.APPLYTIME);

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posted @ 2015-09-14 17:33  phlsheji  阅读(122)  评论(0编辑  收藏  举报