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 AS er JOIN examination_info AS ei 
ON er.exam_id = ei.exam_id
WHERE ei.tag = 'SQL' AND  
score >=  (SELECT AVG(score) FROM exam_record as e_r JOIN examination_info AS e_i ON e_r.exam_id = e_i.exam_id WHERE e_i.tag = 'SQL');

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