题解 | #找出每个学校GPA最低的同学#
找出每个学校GPA最低的同学
https://www.nowcoder.com/practice/90778f5ab7d64d35a40dc1095ff79065
-- 熟悉窗口函数的使用：row_number() over (partition by university order by gpa) as rn
select device_id, university, gpa
from (
select *,
row_number() over (partition by university order by gpa) as rn
from user_profile
) as univ_min
where rn=1
order by university
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