SELECT cust_name FROM customer EXCEPT SELECT T1.cust_name FROM customer AS T1 JOIN loan AS T2 ON T1.cust_id  =  T2.cust_id WHERE T2.loan_type  =  'Mortgages'
Find the name of customers who do not have a loan with a type of Mortgages.
SELECT cust_name FROM customer EXCEPT SELECT T1.cust_name FROM customer AS T1 JOIN loan AS T2 ON T1.cust_id = T2.cust_id WHERE T2.loan_type = 'Mortgages '
select cust_name from customer except select t1 . cust_name from customer as t1 join loan as t2 on t1 . cust_id = t2 . cust_id where t2 . loan_type = value
Find the name of customers who do not have a loan with a type of Mortgages .