Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command: RESTORE CONTROLFILE FROM AUTOBACKUP; Which of the following statements is true?()
A: The command restores only the missing control file.
B: The command restores all the control files.
C: The command fails because the database is running.
D: This is the correct way to address this problem.
E: This is not the correct way to address this problem.
出自:Oracle认证