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 as a
right 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
筛选条件:gpa 最低的
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