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) from( select score, avg(score) over() avg_score from exam_record t1 left join examination_info t2 on t1.exam_id = t2.exam_id where tag = "SQL" )a where score >= avg_score
