摘要: 查询及删除重复记录的SQL语句2007-11-20 14:231、 查找表中多余的重复记录,重复记录是根据单个字段(peopleId)来判断select * from peoplewhere peopleId in (select peopleId from people group by peop... 阅读全文
posted @ 2010-05-10 14:03 landylee 阅读(397) 评论(0) 推荐(0) 编辑