摘要:
主要利用到了左连接取交集的原理。select * from (SELECT TOP 20 A.*,B.ID AS IDS FROM SURVEYINFO A LEFT JOIN (SELECT TOP 10 ID FROM SURVEYINFO) B ON A.ID=B.ID ) t WHERE IDS is null 阅读全文
posted @ 2012-01-19 15:24
钻石眼泪
阅读(1727)
评论(0)
推荐(0)
浙公网安备 33010602011771号