SELECT customer_name FROM customers EXCEPT SELECT t1.customer_name FROM customers AS t1 JOIN first_notification_of_loss AS t2 ON t1.customer_id  =  t2.customer_id
Find the names of users who do not have a first notification of loss record.
SELECT customer_name FROM customers EXCEPT SELECT t1.customer_name FROM customers AS t1 JOIN first_notification_of_loss AS t2 ON t1.customer_id = t2.customer_id
select customer_name from customers except select t1 . customer_name from customers as t1 join first_notification_of_loss as t2 on t1 . customer_id = t2 . customer_id
Find the names of users who do not have a first notification of loss record .