單項(xiàng)選擇題

According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）

A.The backup is similar to image copy.
B.The backup contains all used data blocks.
C.The backup contains only unused data blocks.
D.The backup contains all data blocks changed since the last incremental level 1 backup.

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單項(xiàng)選擇題

You want to monitor and control the resource usage by sessions. You want to be warned automatically when more than 100 sessions are opened with your database.
What action would you take to achieve this？（）

A.Use the Database Resource Manager.
B.Set the limits in the profiles used by users.
C.Modify the SESSIONS initialization parameter.
D.Set the warning threshold for the Current Logons Count metric.

單項(xiàng)選擇題

The application workload on your database is same between 10 a.m. and 11 a.m. on weekdays. Suddenly you observe poor performance between 10 a.m. and 11 a.m. in the middle of the week. How would you identify the changes in configuration settings， workload profile，and statistics to diagnose the possible causes of the performance degradation？（）

A.by using the SQL access advisor
B.by using the Automatic Workload Repository report
C.by running the Automatic Database Diagnostic Monitor （ADDM）
D.by using the Automatic Workload Repository Compare Period report
E.by analyzing the output of the V$ACTIVE_SESSION_HISTORY view

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According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）

你可能感興趣的試題

You want to monitor and control the resource usage by sessions. You want to be warned automatically when more than 100 sessions are opened with your database. What action would you take to achieve this？（）

According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）

You want to monitor and control the resource usage by sessions. You want to be warned automatically when more than 100 sessions are opened with your database.
What action would you take to achieve this？（）