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單項(xiàng)選擇題

After a number of days set by the parameter CONTROL_FILE_RECORD_KEEP_TIME， the information in the control file is overwritten by RMAN. What is this parameter’s default value？（）

A.1 day
B.5 days
C.7 days
D.31 days

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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.
單項(xiàng)選擇題
What is the maximum database block size supported for the Oracle9i database？（）
A.16KB
B.32KB
C.64KB
D.128KB

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