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(a.score) from exam_record a,examination_info b where a.exam_id=b.exam_id and b.tag='SQL' and a.score is not null and a.score>=(select sum(a.score)/count(a.score) from exam_record a,examination_info b where a.exam_id=b.exam_id and tag='SQL' and a.score is not null)


查看1道真题和解析