分组查询 每组最高的某条记录

需求是 查询每个班 年龄最小的那个人 ,需要显示如下:

SQL 语句如下:

select id,
SUBSTRING_INDEX(GROUP_CONCAT(age order by age),‘,‘,1) as age,
SUBSTRING_INDEX(GROUP_CONCAT(username order by age),‘,‘,1) as userName
from person
GROUP BY id

原文地址：https://www.cnblogs.com/refuge/p/9061383.html

时间： 2024-08-01 08:37:56

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