题解 | 查询成绩
查询成绩
https://www.nowcoder.com/practice/ef30689ae065434c89c129e9dfe1b4cd
select
count(*)
from (
select
avg(score)
,sId
from SC
group by sId
having avg(score) > 60
) t1
查询成绩
https://www.nowcoder.com/practice/ef30689ae065434c89c129e9dfe1b4cd
select
count(*)
from (
select
avg(score)
,sId
from SC
group by sId
having avg(score) > 60
) t1
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