​ Structure of the ORDERS Table

Multiple Choice

​
Structure of the ORDERS table
Structure of the CUSTOMERS table
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-Which of the following SQL statements will display all customers who have not recently placed an order?​

A) ​SELECT customer# FROM customers
UNION
SELECT customer# FROM orders;
B) ​SELECT customer# FROM orders
MINUS
SELECT customer# FROM customers;
C) ​SELECT customer# FROM orders
INTERSECT
SELECT customer# FROM customers;
D) ​SELECT customer# FROM customers
MINUS
SELECT customer# FROM orders;