單項選擇題

You issue the following command on the RMAN prompt.
REPORT NEED BACKUP DAYS 5；
Which statement is true about executing this command？（）

A. It will display a list of files that need incremental backup
B. It will display a list of files that need backup after five days
C. It will display a list of files that were backed up in the last five days
D. It will display a list of files that have not been backed up in the last five days
E. It will apply the current retention policy to determine the files that need to be backed up

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單項選擇題

What happens when you run the SQL Tuning Advisor with limited scope？（）

A. Access path analysis is not performed for SQL statements.
B. SQL structure analysis is not performed for SQL statements.
C. SQL Profile recommendations are not generated for SQL statements.
D. Staleness and absence of statistics are not checked for the objects in the SQL Tuning Advisor.

單項選擇題

What is the advantage of setting the ASM-preferred mirror read for the Stretch cluster configuration？（）

A. It improves resync operations.
B. This feature enables much faster file opens.
C. It improves performance as fewer extent pointers are needed in the shared pool.
D. It improves performance by reading from a copy of an extent closest to the node.

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You issue the following command on the RMAN prompt. REPORT NEED BACKUP DAYS 5； Which statement is true about executing this command？（）

你可能感興趣的試題

What happens when you run the SQL Tuning Advisor with limited scope？（）

What is the advantage of setting the ASM-preferred mirror read for the Stretch cluster configuration？（）

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You issue the following command on the RMAN prompt.
REPORT NEED BACKUP DAYS 5；
Which statement is true about executing this command？（）