单项选择题
You want to perform the following operations for the DATA ASM disk group:
Which command accomplishes these tasks?（）
A. ALTER DISKGROUP data CHECK;
B. ALTER DISKGROUP data CHECK DISK;
C. ALTER DISKGROUP data CHECK FILE;
D. ALTER DISKGROUP data CHECK DISK IN FAILURE GROUP 1;
相关考题
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多项选择题
Which two statements are correct about database transportation? （）
A. The source and target platforms must be the same
B. Redo logs, control files and temp files are also transported
C. The transported database must have the same database identifier (DBID) as the source database and cannot be changed
D. The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported
E. Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format -
多项选择题
Which two statements are true with respect to the maintenance window? （）
A. A DBA can enable or disable an individual task in all maintenance windows.
B. A DBA cannot change the duration of the maintenance window after it is created.
C. In case of a long maintenance window, all Automated Maintenance Tasks are restarted every four hours.
D. A DBA can control the percentage of the resource allocated to the Automated Maintenance Tasks in each window. -
多项选择题
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？（）
A. Change the RMAN archived log deletion policy
B. Use the RMAN CROSSCHECK command to reclaim the archived log space
C. Change the RMAN retention policy to retain backups for a shorter period of time
D. Use OS command to move files from the flash recovery area to some other location
