List names of customers with more than 1 loan
SELECT T1.cust_name FROM customer AS T1 JOIN loan AS T2 ON T1.cust_id   =   T2.cust_id GROUP BY T1.cust_name HAVING count ( * )   >  1
customers with more than 1 loan refers to HAVING COUNT(*) > 1; list names refers to SELECT cust_name;