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单项选择题 You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（）

A、RMAN reads the block change tracking file only when it performs the incremental level 0 backup.

B、RMAN reads the block change tracking file when it performs both incremental backups.

C、RMAN reads the block change tracking file only when it performs the incremental level 1 backup.

D、RMAN does not read the block change tracking file when it performs either incremental backup.

  • C

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