摘要：
select a,b,c,d from tablename group by a,b,c,d having count(*)>1 阅读全文
posted @ 2006-11-23 21:23 隐客 阅读(356) 评论(0) 推荐(0)
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摘要：
select a,b,c,d from tablename group by a,b,c,d having count(*)>1 阅读全文
posted @ 2006-11-23 21:23 隐客 阅读(356) 评论(0) 推荐(0) |
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