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 ,
(
select
university,
min(gpa) as gpa
from
user_profile
group by
university
) b
where
a.gpa = b.gpa and a.university = b.university
order by a.university
查看3道真题和解析