CATCHY_TAPE

엔티티

인덱스

Indices

Recent_Played

• user_id
• played_at
• user_id, music_id 복합??? - 상의 (isExistMusicInRecentPlaylist)

User

• none

Music

• created_at
• genre (일단 X, 추후 생각)

Playlist

• user_id

Music_Playlist

• playlist_id