Oracle 11G OCP 1Z0-053 586

（586）Consider the following command:

Backup database plus archivelog delete input;

How many backup sets would be created by this command if the following were true:

1. Control-file auto backups were enabled.

2. The size of backup sets was not restricted.

3. One channel was allocated.

A. 1

B. 2

C. 3

D. 4

E. 5

答案：（D）

解析：

共產生4個備份集：

2個歸檔日誌備份集（為什麼？）

資料檔案備份集

控制檔案加spfile備份集

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