單項(xiàng)選擇題

You plan to set up the Automatic Workload Repository (AWR) baseline metric thresholds for a moving window baseline. Which action would you take before performing this task?（）

A. Compute the baseline statistics.
B. Take an immediate AWR snapshot.
C. Decrease the window size for the baseline.
D. Decrease the expiration time for the baseline.

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單項(xiàng)選擇題

You are managing an Oracle Database 11g instance with ASM storage. The ASM instance is down. To know the details of the disks in the DATA disk group , you issued the following ASMCMD command:
ASMCMD> lsdsk -I -d DATA
Which statement is true regarding the outcome of this command?（）

A. The command succeeds but it retrieves only the disk names.
B. The command produces an error because the ASM instance is down.
C. The command succeeds but it shows only the status of the ASM instance.
D. The command succeeds and retrieves information by scanning the disk headers based on an ASM_DISKSTRING value.

單項(xiàng)選擇題

To generate recommendations to improve the performance of a set of SQL queries in an application, you execute the following blocks of code:

The blocks of code execute successfully; however, you do not get the required outcome. What could be the reason?（）

A. A template needs to be associated with the task.
B.A workload needs to be associated with the task.
C. The partial or complete workload scope needs to be associated with the task.
D. The type of structures (indexes, materialized views, or partitions) to be recommended need to be specified for the task.

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You plan to set up the Automatic Workload Repository (AWR) baseline metric thresholds for a moving window baseline. Which action would you take before performing this task?（）

你可能感興趣的試題

You are managing an Oracle Database 11g instance with ASM storage. The ASM instance is down. To know the details of the disks in the DATA disk group , you issued the following ASMCMD command: ASMCMD> lsdsk -I -d DATA Which statement is true regarding the outcome of this command?（）

To generate recommendations to improve the performance of a set of SQL queries in an application, you execute the following blocks of code: The blocks of code execute successfully; however, you do not get the required outcome. What could be the reason?（）

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You are managing an Oracle Database 11g instance with ASM storage. The ASM instance is down. To know the details of the disks in the DATA disk group , you issued the following ASMCMD command:
ASMCMD> lsdsk -I -d DATA
Which statement is true regarding the outcome of this command?（）

To generate recommendations to improve the performance of a set of SQL queries in an application, you execute the following blocks of code:

The blocks of code execute successfully; however, you do not get the required outcome. What could be the reason?（）