题解 | #统计不同类型题目的刷题数#
统计不同类型题目的刷题数,并按刷题数进行升序排列
https://www.nowcoder.com/practice/3b3d13d844ce4c2ca2cd2a049cb6b695
SELECT question_type, SUM(pass_count) AS 'passCnt' FROM questions_pass_record_detail GROUP BY question_type ORDER BY passCNt;
Q2:没看懂这里如何按照问题类型和题数排列的