摘要: select cardno,planname,ROW_NUMBER() over(partition by cardno,planname order by createtime asc) as rowfrom CardAddrBlack即:将cardno,planname看作一个分组,以他们内部的... 阅读全文
posted @ 2014-08-14 17:37 hongyan5682 阅读(543) 评论(0) 推荐(0) 编辑