试题详情
- 单项选择题According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）
A、The backup is similar to image copy.
B、The backup contains all used data blocks.
C、The backup contains only unused data blocks.
D、The backup contains all data blocks changed since the last incremental level 1 backup.
- B
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