题解 | 得分不小于平均分的最低分
得分不小于平均分的最低分
https://www.nowcoder.com/practice/3de23f1204694e74b7deef08922805b2
select
min(score) as min_score_over_avg
from exam_record
inner join examination_info
using(exam_id)
where tag="SQL" and score is not null
and score >=
(select avg(score) from exam_record where
exam_id in (select exam_id from examination_info where tag="SQL") and score is not null)
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