（单选题）
ou are implementing control file multiplexing. Which of the following choices identifies the method you can use in order to generate the control file copies that Oracle will maintain?（）
AIssue ALTER DATABASE BACKUP CONTROLFILE TO filename
BMake a copy of the control file with the database shut down
CIssue ALTER DATABASE BACKUP CONTROLFILE TO trace
DMake a copy of the control file with the database still running
正确答案
答案解析
略
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