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怎么用mysql的结果中筛选结果
新建查询,然后写语句use 数据库名goselect 姓名,Max(分值) As 最高分 from 表名 group by 姓名这样就好了,不要想复杂了select * from test where created_at=(select
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mysql筛选语句
select * from test where created_at=(select max(created_at) from test group by DATE_FORMAT(created_at,'%Y%m%d'