Which statement is true?
A. The DESCRIBE command would still display the ORDER_DATE column.
B. ROLLBACK can be used to get back the ORDER_DATE column in the ORDERS table.
C. The ORDER_DATE column should be empty for the ALTER TABLE command to execute successfully.
D. After executing the ALTER TABLE command, you can add a new column called ORDER_DATE to the ORDERS table.
Answer:D
Which statement is true?
A. The DESCRIBE command would still display the ORDER_DATE column. B. ROLLBACK can be used to get back the ORDER_DATE column in the ORDERS table. C. The ORDER_DATE column should be empty for the ALTER TABLE command to execute successfully. D. After executing the ALTER TABLE command, you can add a new column called ORDER_DATE to the ORDERS table.