1z0-071 Exam Dumps | Evaluate the following ALTER TABLEstatement: ALTER TABLE orders SET UNUSED (order

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Question 43/72

Evaluate the following ALTER TABLEstatement:
ALTER TABLE orders
SET UNUSED (order_date);
Which statement is true?

A. After executing the ALTER TABLEcommand, you can add a new column called ORDER_DATEto the ORDERStable.

B. ROLLBACKcan be used to get back the ORDER_DATEcolumn in the ORDERStable.

C. The ORDER_DATEcolumn should be empty for the ALTER TABLEcommand to execute succsessfully.

D. The DESCRIBEcommand would still display the ORDER_DATEcolumn.

Correct Answer: A

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