题解 | 网易云音乐推荐(网易校招笔试真题)

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 music_id not in
(select music_id from music_likes where user_id =1))
order by id asc