单项选择题

You find today’s performance of your production database to be the best ever.
Therefore， you want to be notified in the future whenever the performance degrades by 10% of today’s performance. What is the first step that you would take to ensure this？（）

A.A
B.B
C.C
D.D
E.E

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A.Use only the first address.
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C.Try each address，in order，until one succeeds.
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A.SMON would automatically restore the lost file.
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You decided to increase the value for the SHARED_SERVER...

多项选择题

You decided to increase the value for the SHARED_SERVERS parameter by using the following command：
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A.ALL
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E.SPFILE
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G.INSTANCE
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1Z0-042

You find today’s performance of your production database to be the best ever. Therefore， you want to be notified in the future whenever the performance degrades by 10% of today’s performance. What is the first step that you would take to ensure this？（）

You find today’s performance of your production database to be the best ever.
Therefore， you want to be notified in the future whenever the performance degrades by 10% of today’s performance. What is the first step that you would take to ensure this？（）