SELECT DISTINCT artist_name FROM artist WHERE country  =  "Bangladesh" EXCEPT SELECT DISTINCT artist_name FROM song WHERE rating  >  7
Find the names of the artists who are from Bangladesh and have never received rating higher than 7.
SELECT DISTINCT artist_name FROM artist WHERE country = `` Bangladesh '' EXCEPT SELECT DISTINCT artist_name FROM song WHERE rating > 7
select distinct artist_name from artist where country = value except select distinct artist_name from song where rating > value
Find the names of the artists who are from Bangladesh and have never received rating higher than 7 .