单项选择题
Examine the following command：
ALTER DISKGROUP data MOUNT FORCE；
In which scenario can you use the above command to mount the disk group？（）
A. when ASM disk goes offline
B. when one or more ASM files are dropped
C. when some disks in a disk group are offline
D. when some disks in a failure group for a disk group are rebalancing
相关考题
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单项选择题
Whichstatementaboutrecoveringfromthelossofaredologgroupistrue？（）
A. If the lost redo log group is ACTIVE， you should first attempt to clear the log file.
B. If the lost redo log group is CURRENT， you must clear the log file.
C. If the lost redo log group is ACTIVE， you must restore，perform cancel-based incomplete recovery，and open the database using the RESETLOGS option.
D. If the lost redo log group is CURRENT， you must restore，perform cancel-based incomplete recovery，and open the database using the RESETLOGS option. -
单项选择题
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 -
单项选择题
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.
