You work as a database administrator for Certkiller .com. You are using Recovery Manager （RMAN） for backup and recovery of your database. You executed the delete command in RMAN to delete a backup of atablespace. Which statement is true in this scenario？（）
- A、A
- B、B
- C、C
- D、D
- E、E
正确答案:C
答案解析:有
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