SELECT cust_name FROM customer EXCEPT SELECT cust_name FROM customer WHERE acc_type  =  'saving'
What are the names of customers who do not have saving accounts?
SELECT cust_name FROM customer EXCEPT SELECT cust_name FROM customer WHERE acc_type = 'saving '
select cust_name from customer except select cust_name from customer where acc_type = value
What are the names of customers who do not have saving accounts ?