题解 | 最差是第几名(一)
最差是第几名(一)
https://www.nowcoder.com/practice/ae5e8273e73b4413823b676081bd355c
select
grade,
sum(number)over(order by grade) as t_rank
from
class_grade
最差是第几名(一)
https://www.nowcoder.com/practice/ae5e8273e73b4413823b676081bd355c
select
grade,
sum(number)over(order by grade) as t_rank
from
class_grade
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