摘要: SELECT st_id FROM ( SELECT *,ROW_NUMBER() OVER( PARTITION BY st_code ORDER BY st_code ) AS num FROM dbo.t_student_info) a WHERE a.num>=2View Code给重复的信... 阅读全文
posted @ 2015-03-11 16:17 一抹阳光ps 阅读(351) 评论(0) 推荐(0) 编辑