單項選擇題

You plan to have a larger moving window size for the default system-defined moving window baseline because you want to use the adaptive threshold. Which statement factors in this consideration while increasing the size of the moving window?（）

A. The collection level for the AWR should be set to BASIC
B. The moving window size must be less than Undo Retention
C. The moving window size should be greater than the Automatic Workload Repository (AWR) retention period
D. The moving window size should be equal to or less than the Automatic Workload Repository (AWR) retention period

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多項選擇題

While deploying a new application module, the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences?（）

A. The plan baselines can be evolved over time to produce better performance.
B. The newly generated plans are directly placed into the SQL plan baseline without being verified.
C. The new SQL statements initially run with the plans that are known to produce good performance under standard test configuration.
D. The optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported.

單項選擇題

The following databases are registered in the base recovery catalog: PROD1, PROD2, and PROD3. The database user CATOWNER owns the base recovery catalog. You want a new user VPC1 to have access to only the PROD1 database and create a virtual private catalog.
Given below are some of the commands required to achieve this:
1.SQL> GRANT recovery_catalog_owner TO vpc1;
2.RMAN> CONNECT CATALOG vpc1/password@catdb;
3.RMAN> GRANT CATALOG FOR DATABASE prod1 TO vpc1;
4.RMAN> CONNECT CATALOG catowner/password@catdb;
5.RMAN> CREATE VIRTUAL CATALOG;
What is the correct sequence in which the commands have to be executed?（）

A. 1, 4, 5, 2, 3
B. 1, 4, 3, 2, 5
C. 4, 5, 2, 3, 1
D. 2, 3, 4, 5, 1
E. 1, 4, 2, 3, 5

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You plan to have a larger moving window size for the default system-defined moving window baseline because you want to use the adaptive threshold. Which statement factors in this consideration while increasing the size of the moving window?（）

你可能感興趣的試題

While deploying a new application module, the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences?（）

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