Update 11.sql

solutions/11.sql

@@ -1,7 +1,17 @@
+/*
 SELECT
   albums.name AS 'Album',
   albums.release_year AS 'Release Year',
   MAX(songs.length) AS 'Duration'
 FROM albums
 JOIN songs ON albums.id = songs.album_id
-GROUP BY songs.album_id;
+GROUP BY songs.album_id;
+*/
+
+SELECT albums.name AS 'Name', albums.release_year AS 'Release Year', longest_songs.duration AS 'Duration'
+FROM albums
+INNER JOIN (
+	SELECT album_id, max(length) AS duration FROM songs
+	GROUP BY album_id
+) AS longest_songs
+ON albums.id = longest_songs.album_id;