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
device_id,
university,
gpa
from
( select*,rank() over (partition by university
order by
gpa asc) rk
from
user_profile) t
where
t.rk = 1;
利用窗口函数排序
,之前996+246高强度发版直接给我整的ptsd了,现在看大小周都眉清目秀的