WITH source AS ( SELECT p.user_id, p.fdate, s.song_name, s.song_id, MONTH(p.fdate) AS month FROM play_log p JOIN song_info s ON p.song_id = s.song_id AND s.singer_name = '周杰伦' -- 关联用户表,筛选18-25岁用户 JOIN user_info u ON u.user_id = p.user_id AND u.age BETWEEN 18 AND 25 -- 筛选2022年的播放记录 WHERE YEAR(p.fdate...