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單項(xiàng)選擇題

To clean up old records that are in a Flashback Data Archive and are past the retention period, what must the DBA do?()  

A. TRUNCATE the archive table.
B. DROP the Flashback Data Archive.
C. Nothing;expired rows are automatically removed.
D. Nothing;expired rows are moved to an archive table.
E. Delete entries from the archive where the metadata date retained is greater than the retention period.

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