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
t2.device_id,
t1.university,
t1.gpe
from
(
select
university,
min(gpa) as gpe
from
user_profile
group by
university
) t1
left join user_profile t2 on t1.gpe = t2.gpa
and t1.university = t2.university order by university;