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276、 Answer: A expiration => 30 表示该 baseline 将在30天后自动删除,expiration =>null表示,永不过期 277、 Answer: B 278、 Answer: BD 279、 Answer: ABCE 280、View the Exhibit 阅读全文
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271、Examine the output of the query that you executed to list the objects in the recycle bin: Answer: B SQL> select original_name,droptime,dropscn fro 阅读全文
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266、View the Exhibit to examine the parameters set for your database instance. You execute the following command to perform I/O calibration after the 阅读全文
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261、 262、 263、 264、Using the LIST command in Recovery Manager (RMAN), which two pieces of information in the RMAN repository can be listed? (Choose tw 阅读全文