题解 | 网易云音乐推荐(网易校招笔试真题)
网易云音乐推荐(网易校招笔试真题)
https://www.nowcoder.com/practice/048ed413ac0e4cf4a774b906fc87e0e7
select music_name from music where id in ( select music_id from music_likes where user_id in (select follower_id from follow where user_id=1) ) and id not in ( select music_id from music_likes where user_id=1 ) order by id ;