Oracle 11G OCP 1Z0-053 551

（551）Which command will result in a trace file being created with the create controlfile command contained in it?

A. alter database backup controlfile;

B. alter database backup controlfile to trace;

C. alter database controlfile backup;

D. alter database controlfile backup to'/ora01/oracle/ctrl_backup.ctl';

E. alter database begin controlfile backup;

答案：（B）

解析：

控制檔案備份方法之一

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