摘要: SQL Server 查询数据重复 1、查询单列重复 select * from test where name in (select name from test group by name having count (name) > 1) 2、查询多列重复 SELECT a.* FROM tes 阅读全文
posted @ 2022-10-29 15:07 久曲健 阅读(241) 评论(0) 推荐(0) 编辑