（392）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.

答案：（C）

解析：

超出保留期的自动被删除掉