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單項(xiàng)選擇題

Which of the following steps is incorrect in the following sequence of enabling the ARCHIVELOG mode of a database?()

A.Shut down the database.
B.Set the appropriate parameters in init.ora file.
C.Start the database in NOMOUNT state.
D.Issue the ALTER DATABASE ARCHIVELOG command.
E.Open the database.
F.Take a full closed backup.

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