多項(xiàng)選擇題

You are working on a test database where instance recovery takes a considerable amount of time. How can reduce the recovery time？（）

A.By multiplexing the control files
B.By multiplexing the redo log files
C.By decreasing the size of redo log files
D.By configuring mean time to recover （MTTR） to a lower value
E.By setting the UNDO_RETENTION parameter to a higher value

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單項(xiàng)選擇題

You work as a database administrator for Supportcenter.cn. Users in the Supportcenter.cn PROD database complain about the slow response of transactions. While investigating the reason you find that the transactions are waiting for the undo segments to be available， and undo retention has been set to zero.
What would you do to overcome this problem？（）

A.Increase the undo return
B.Create more undo segments
C.Create another undotablespace
D.Increase the size of the undo tablespace

單項(xiàng)選擇題

In your Supportcenter.cn database server the parameter PLSQL_CODE_TYPE has been set to NATIVE. Which object would be achieved by the setting？（）

A.The source PL/SQL code will be stored in native machine code.
B.The source PL/SQL code will be stored in interpreted byte code.
C.The compiled PL/SQL code will be stored in native machine code.
D.The compiled PL/SQL code will be stored in interpreted byte code.

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You are working on a test database where instance recovery takes a considerable amount of time. How can reduce the recovery time？（）

你可能感興趣的試題

In your Supportcenter.cn database server the parameter PLSQL_CODE_TYPE has been set to NATIVE. Which object would be achieved by the setting？（）

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In your Supportcenter.cn database server the parameter PLSQL_CODE_TYPE has been set to NATIVE. Which object would be achieved by the setting？（）