sqlserver单个字段去重 delete t from ( select * , row_number() over (order by 重复字段) as rowid from 表名 where 重复字段 in (select 重复字段 from 表名 group by 重复字段 having count( 重复字段)>1) ) t where t.rowid!=1 posted on 2019-07-05 16:45 Mashishuai 阅读(1514) 评论(0) 编辑 收藏 举报 相关文章： 2021-11-17 2022-12-23 2022-12-23 2021-11-18 2022-12-23 2022-12-23 2021-11-12