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
Temukan nama pengguna yang tidak memiliki pemberitahuan pertama tentang catatan kerugian.
CREATE TABLE first_notification_of_loss (customer_id VARCHAR); CREATE TABLE customers (customer_name VARCHAR, customer_id VARCHAR); CREATE TABLE customers (customer_name VARCHAR)