CREATE TABLE files (f_id NUMBER, artist_name CLOB, file_size CLOB, duration CLOB, formats CLOB)
CREATE TABLE artist (artist_name CLOB, country CLOB, gender CLOB, preferred_genre CLOB)
CREATE TABLE song (song_name CLOB, artist_name CLOB, country CLOB, f_id NUMBER, genre_is CLOB, rating NUMBER, languages CLOB, releasedate TIME, resolution NUMBER)
CREATE TABLE genre (g_name CLOB, rating CLOB, most_popular_in CLOB)

What is the average rating of songs for each language?
SELECT AVG(rating), languages FROM song GROUP BY languages
SELECT AVG("rating"), "languages" FROM "song" GROUP BY "languages"