多項(xiàng)選擇題

Which statements are true regarding the system-defined moving window baseline in Oracle Database 11g?（）

A. It does not allow you to change the moving window size.
B. Adaptive threshold functionalities use it by default to compute statistics.
C. It is created by default with the window size being equal to the AWR retention time.
D. It is created when the first snapshot is collected by the Automatic Workload Repository (AWR).

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單項(xiàng)選擇題

You issue the following RMAN command to set a retention policy on a database:
RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2;
What will be the outcome of issuing this command? （）

A. After two days, a backup will be marked obsolete
B. After two days, a backup will be deleted from the media
C. If the RMAN repository has records of two or more recent backups of a file, then older backups will be deleted from the media.
D. If the RMAN repository has records of two or more recent backups of a file, then older backups will be marked obsolete.

單項(xiàng)選擇題

Examine the output of the query that you executed to list the objects in the recycle bin:
You verified that no table named SALES_TAB exists in the schema. Then you executed the following command to purge the objects in the recycle bin:
SQL> PURGE TABLE sales_tab;
What would be the outcome of this command?（）

A. All three tables in the recycle bin are purged
B. Only the table with the oldest DROPSCN is purged
C. The command returns an error because multiple entries with the same name exist in the recycle bin
D. Only the table with the latest DROPSCN is purged

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Which statements are true regarding the system-defined moving window baseline in Oracle Database 11g?（）

你可能感興趣的試題

You issue the following RMAN command to set a retention policy on a database: RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2; What will be the outcome of issuing this command? （）

You issue the following RMAN command to set a retention policy on a database:
RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2;
What will be the outcome of issuing this command? （）