To enable faster incremental backups, you enabled block change tracking for the database.Which two statements are true about the block change tracking file?（）A、Multiple change tracking files can be created for a database.B、The change tracking file must be
题目
To enable faster incremental backups, you enabled block change tracking for the database.Which two statements are true about the block change tracking file?（）
- A、Multiple change tracking files can be created for a database.
- B、The change tracking file must be created after the first level 0 backup.
- C、RMAN does not support backup and recovery of the change tracking file.
- D、The database clears the change tracking file and starts tracking changes again, after whole database restore and recovery operations.
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参考答案和解析
正确答案:C,D