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
select
a.device_id,
a.university,
a.gpa
from
user_profile a
inner join (
select
university,
min(gpa) as gpa
from
user_profile
group by
university
) as b on a.university = b.university
and a.gpa = b.gpa order by a.university;
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