CREATE TABLE customer (cust_name VARCHAR(255), cust_id VARCHAR(255)); CREATE TABLE loan (cust_id VARCHAR(255))
Find the name of customers who have more than one loan.
    
SQL: 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