View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables. 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 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 ,’IO-mar-2007′, ‘direct’, &customer_id, 1000);
D.
INSERT INTO(SELECT o.order_id, o.order_date.o.orde_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);
Explanation: