摘要: 1、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 people where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1) 2、删除表中多余的重复记录,重复记录是根据单个字段(peopleId)来判断,只留有rowid... 阅读全文
posted @ 2007-12-13 10:29 赖文华.NET 阅读(152) 评论(0) 推荐(0) 编辑