试题详情
- 单项选择题 Consider the following command： Backup database plus archivelog delete input； How many backup sets would be created by this command if the following were true：（） Control-file a NN uto backups were enabled. NN The size of backup sets was not restricted. NN One channel was allocated.
A、 1
B、 2
C、 3
D、 4
E、 5
- D
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