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
;
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