请教1个查询,关于重复数据的 表TB有1个字段bianma,如何查询出bianma字段的重复行 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 select bianmafrom tbgroup by bianmahaving count(1)>1 select * from tbwhere bianma in (select bianma from tbgroup by bianma having count(1)>=2) select bianma from tb group by bianma having count(1) > 1select * from tb where bianma in (select bianma from tb group by bianma having count(1) > 1) select bianma,count(1) from TB group by bianma count(1)>1 union order by 问题 日期函数 SQL服务器的登陆密码可否设置有效期? 高分求解 在线等!!! dulei115()请进,还有些问题向您请教!!多谢了. 你能解决这个问题吗?存储过程 时间段统计问题 如何让导入批量txt文件 难题求解:为什么临时表不能支持统计功能? 锁上一个表,能不能这样实现? 一个关于考勤迟到问题的SQL语句 有谁下载了微软网站TechNet“SQL Server 2005盛宴系列”的视频?怎么下载不了?
from tb
group by bianma
having count(1)>1
where bianma in (select bianma from tb
group by bianma having count(1)>=2)