Oracle 11G OCP 1Z0-053 497

（497）You are managing the APPPROD database as a DBA.You plan to duplicate this database in the same system with the name DUPDB.

You issued the following RMAN commands to create a duplicate database:

RMAN>CONNECT target sys/sys@APPPROD RMAN>DUPLICATE TARGET DATABASE TO dupdb FROM ACTIVE DATABASE DB_FILE_NAME_CONVERT'/oracle/oradata/prod/', '/scratch/oracle/oradata/dupdb/'SPILE PARAMETER_VALUE_CONVERT '/oracle/oradata/prod/','/scratch/oracle/oradata/dupdb/' SET SGA_MAX_SIZE='300M' SET SGA_TARGET='250M' SET LOG_FILE_NAME_CONVERT '/oracle/oradata/prod/redo/', '/scratch/oracle/oradata/dupdb/redo/';

Which three are the prerequisites for the successful execution of the above command?(Choose three.)

A. The source database should be open.

B. The target database should be in ARCHIVELOG mode if it is open.

C. RMAN should be connected to both the instances as SYSDBA.

D. The target database backups should be copied to the source database backup directories.

E. The password file must exist for the source database and have the same SYS user password as the target.

答案：（B、C、E）

解析：

A（X），也可以是mount狀態。

D（X），上面的複製資料庫語句是從活動的資料庫來複制的，不需要備份。

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