1Z0-051 Exam Dumps | View the Exhibit and examine the structure of the ORDERS and CUSTOMERS tables. (Exhibit) Evaluate the

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Question 240/290

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

Evaluate the following SQL command:
SQL> SELECT o.order_id, c.cust_name, o.order_total, c.credit_limit
FROM orders o JOIN customers c
USING (customer_id)
WHERE o.order_total > c.credit_limit
FOR UPDATE
ORDER BY o.order_id;
Which two statements are true regarding the outcome of the above query? (Choose two.)

A. It locks all the rows that satisfy the condition in the statement.

B. It locks only the columns that satisfy the condition in both the tables.

C. The locks are released only when a COMMIT or ROLLBACK is issued.

D. The locks are released after a DML statement is executed on the locked rows.

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