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ocp-293

时间:2015-10-11 11:34:45      阅读:296      评论:0      收藏:0      [点我收藏+]

QUESTION NO: 293
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.
Answer: C


为清理在一个闪回数据归档中并过了保留期限的旧记录, DBA必须做些什么?

C.什么都别做, 过期的行将被自动删除。


ocp-293

原文:http://blog.csdn.net/xuejiayue1105/article/details/49046117

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