查询重复数据的SQL语句
摘要:
select column1, column2from TBwherecolumn1in(selectcolumn1, column2from TBgroup bycolumn1, column2having(count(*)>1)) 阅读全文
posted @ 2010-09-22 11:02 Rusteel 阅读(355) 评论(0) 推荐(0) 编辑
posted @ 2010-09-22 11:02 Rusteel 阅读(355) 评论(0) 推荐(0) 编辑