摘要: select * from user t where t.name in (select name from user group by name on having count(name) > 1) user 表 ,然后查询name字段重复的记录 当然select * 不建议哈,这里是方便记录 阅读全文
posted @ 2021-12-06 18:06 了悟 阅读(354) 评论(2) 推荐(1) 编辑