Oracle 11G OCP 1Z0-053 554

（554）Which is not a valid way of backing up a control file?

A. Backing up the control file to trace

B. Copying the existing control file of the database to the backup location during a hot backup

C. Copying the existing control file of the database to the backup location during a cold backup

D. Creating a backup control file

E. Using the create controlfile command

答案：（B）

解析：

熱備下的控制檔案不完整，資料庫隨時會改變。

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