（单选题）
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.
正确答案
答案解析
略
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