Which INSERT statement should be used to add a row into the ORDERS table for the customer whose CUST_LAST_NAME is Roberts and CREDIT_LIMIT is 600?

View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables.

There is only one customer with the CUST_LAST_NAME column having value Roberts. Which
INSERT statement should be used to add a row into the ORDERS table for the customer whose
CUST_LAST_NAME is Roberts and CREDIT_LIMIT is 600?

A.
INSERT INTO orders
VALUES (1,’10-mar-2007′, ‘direct’,
(SELECT customer_id
FROM customers
WHERE cust_last_name=’Roberts’ AND
credit_limit=600), 1000);

B.
INSERT INTO orders (order_id,order_date,order_mode,
(SELECT customer_id
FROM customers
WHERE cust_last_name=’Roberts’ AND
credit_limit=600),order_total)
VALUES(1,’10-mar-2007′, ‘direct’, &&customer_id, 1000);

C.
INSERT INTO(SELECT o.order_id, o.order_date,o.order_mode,c.customer_id, o.order_total
FROM orders o, customers c
WHERE o.customer_id = c.customer_id
AND c.cust_last_name=’Roberts’ ANDc.credit_limit=600 )
VALUES (1,’10-mar-2007′, ‘direct’,(SELECT customer_id
FROM customers
WHERE cust_last_name=’Roberts’ AND
credit_limit=600), 1000);

D.
INSERT INTO orders (order_id,order_date,order_mode,
(SELECT customer_id
FROM customers
WHERE cust_last_name=’Roberts’ AND
credit_limit=600),order_total)
VALUES(1,’10-mar-2007′, ‘direct’, &customer_id, 1000);