单选题You decided to change the location of the flash recovery area. You executed the following command： Which statement is true？（）AThe location can be changed only if the flash recovery area is empty.BAfter executing the command， all new flash recovery area files will be created in the new location.CThe command will generate an error because you cannot change the flash recovery area while the database is open.DAll the existing files in the flash recovery area will be moved to the new location， and all new Flash Recovery Area files will be created in the new location.
单选题
You decided to change the location of the flash recovery area. You executed the following command： Which statement is true？（）
A
The location can be changed only if the flash recovery area is empty.
B
After executing the command， all new flash recovery area files will be created in the new location.
C
The command will generate an error because you cannot change the flash recovery area while the database is open.
D
All the existing files in the flash recovery area will be moved to the new location， and all new Flash Recovery Area files will be created in the new location.
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多选题You are using the flash recovery area (fast recovery area in 11g Release 2) to store backup related files in your database. After regular monitoring of space usage in the Mash recovery area. You realize that the flash recovery area is jetting filled up very fast and it is running out of space. Your database flash recovery area is low on space and you have no more room on disk. Proactively, which two options could you use to make more space available in the flash recovery？（）AChange the RMAN archived log deletion policyBUse the RMAN CROSSCHECK command to reclaim the archived log spaceCChange the RMAN retention policy to retain backups for a shorter period of timeDUse OS command to move files from the flash recovery area to some other location