10----------------- SELECT * FROM (SELECT SSS.*, TTT.* FROM (SELECT * FROM plt_artist) SSS LEFT OUTER JOIN (SELECT 아티스트 FROM plt_artist_heart WHERE 회원아이디 = '') TTT ON SSS.artist_id = TTT.아티스트) AAAAA, (SELECT 아티스트 FROM plt_album GROUP BY 아티스트) BBBBB WHERE AAAAA.artist_id = BBBBB.아티스트 ORDER BY 등록일 DESC LIMIT 0, 30