试题详情
- 单项选择题 Examine the CREATE DISKGROUP command used to create a disk group: SQL> CREATE DISKGROUP misc EXTERNAL REDUNDANCY DISK 'ORCL: FRA3' NAME misc1, 'ORCL: FRA4' NAME misc2; In which situation would you use this method of disk group creation?（）
A、When two-way disk mirroring is required for the allocation units
B、When three-way disk mirroring is required for the allocation units
C、When using hardware mirroring or RAID
D、When disk mirroring is required for the Automatic Storage Management (ASM) disks
- C
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