删除多余数据,只保留id最小的数据

删除多余数据,只保留id最小的数据 一、整体sql delete from student where ( name, age ) in ( select name, age from ( select name, age from student group by name, age having
posted @ 2021-06-26 20:52  xudong5273  阅读(131)  评论(0编辑  收藏  举报