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.

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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

單項(xiàng)選擇題

Your database is functional with peak load for one hour. You want to preserve the performance statistics collected during this period so that they can be used for comparison while analyzing the performance of the database in the future.
What action would you take to achieve this task？（）

A.Set the STATISTICS_LEVEL initialization parameter to ALL.
B.Create a baseline on a pair of snapshots that have the statistics of the peakload period in the database.
C.Decrease the snapshot interval in the AWR to collect more number of snapshots during the peakload period.
D.Set the snapshot retention period in the Automatic Workload Repository （AWR） to zero to avoid theautomatic purging of the snapshots.

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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？（）

你可能感興趣的試題

Your database is functional with peak load for one hour. You want to preserve the performance statistics collected during this period so that they can be used for comparison while analyzing the performance of the database in the future. What action would you take to achieve this task？（）

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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？（）

Your database is functional with peak load for one hour. You want to preserve the performance statistics collected during this period so that they can be used for comparison while analyzing the performance of the database in the future.
What action would you take to achieve this task？（）