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.

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單項(xiàng)選擇題

You plan to use Flashback Drop feature to recover a dropped table SALES_EMP. No other table with the same name exists in the schema.
You query RECYCLEBIN and find multiple entries for the SALES_EMP table as follows:

You then issue the following statement to recover the table:
SQL> FLASHBACK TABLE sales_emp TO BEFORE DROP;
What would be the outcome of the precedent statement?（）

A. It retrieves the latest version of the table from the recycle bin
B. It retrieves the oldest version of the table from the recycle bin
C. It retrieves the version of the table for which undo information is available
D. It returns an error because the table name is not specified as per the names in the OBJECT_NAME column

多項(xiàng)選擇題

Which of these recommendations should be followed before capturing a workload？（）

A. Make sure your replay database has the same structure as the capture database， except without data.
B. Make sure the replay and capture databases are similar in data content.
C. Perform a clean shutdown and restart of the capture database before beginning a workload capture.
D. Start the capture database in UNRESTRICTED mode， then start the capture.
E. Define inclusion and exclusion filters.

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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?（）

你可能感興趣的試題

Which of these recommendations should be followed before capturing a workload？（）

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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?（）

Which of these recommendations should be followed before capturing a workload？（）