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 ordersVALUES (1,’10-mar-2007′, ‘direct’,(SELECT customer_idFROM customersWHERE cust_last_name=’Roberts’ ANDcredit_limit=600), 1000);
B. INSERT INTO orders (order_id,order_date,order_mode,(SELECT customer_idFROM customersWHERE cust_last_name=’Roberts’ ANDcredit_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_totalFROM orders o, customers cWHERE o.customer_id = c.customer_idAND c.cust_last_name=’Roberts’ ANDc.credit_limit=600 )VALUES (1,’10-mar-2007′, ‘direct’,(SELECT customer_idFROM customersWHERE cust_last_name=’Roberts’ ANDcredit_limit=600), 1000);
D. INSERT INTO orders (order_id,order_date,order_mode,(SELECT customer_idFROM customersWHERE cust_last_name=’Roberts’ ANDcredit_limit=600),order_total)VALUES(1,’10-mar-2007′, ‘direct’, &customer_id, 1000);
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