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