51问答网 > SQL语句如何删除每个人前面几条打卡记录数据?

SQL语句如何删除每个人前面几条打卡记录数据?

2025-04-08 05:55:25
推荐回答（2个）
回答1：

  1. SQL  关键字 删除delete 

  2. 假如A 表为打卡记录表

  3. 表中主键应该是不一致。

  4. SQL 如下：

  5. declare @AID int

  6. select top 1 @AID=AId * from A  where name='test' order by AId desc

  7. delete from A where name='test' and AID!=@AId

回答2：

先查出来
selet * from result where 加班记录超出的范围 in 17:00-20:00；

确定是要删除的，就可以了，如果不是 改下查询语句

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