摘要: 用户表:member 按照名字的字段来查找有重复的数据:字段为name sql: select * from member where name in (select name from member group by name having count(name)>1) 阅读全文
posted @ 2017-03-02 16:43 bigvase 阅读(485) 评论(0) 推荐(0) 编辑