多项选择题
You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN).Which two are the prerequisites to perform this operation？（）
A. You must configure block change tracking file
B. You must have first level 1 backups for RMAN to restore blocks
C. You must ensure that the SALES database is mounted or open
D. You must have full or level 0 backups for RMAN to restore blocks
E. You must take the tools01.dbf data file offline before you start a block media recovery
相关考题
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多项选择题
Examine the following command that is used to duplicate a database on the same host: Which two statements describe the effect after the database is duplicated successfully? （）
A. The data files of the read-only tablespaces in the target database are not duplicated
B. The read-only tablespaces in the target database are still defined in new the database
C. The read-only tablespaces in the target database are changed to online after duplication
D. The data files of the read-only tablespaces in the target database get duplicated
E. The read-only tablespaces in the target database are not defined in the new database -
单项选择题
View the Exhibit and examine the steps that you executed to create a database resource plan. Subsequently, you execute the following procedure which results in an error: SQL> EXECUTE dbms_resources_manager.validate_pending_area ( ); What could be the reason?（）
A. The pending area is automatically submitted after the plan creation
B. The procedure must be executed before creating the resources plan directive
C. The SYS_GROUP resource consumer group is not included in the resource plan directive
D. The OTHER_GROUPS resources consumer group is not included in the resource plan directive -
多项选择题
You plan to execute the following command to perform a Flashback Database operation in your database: SQL> FLASHBACK DATABASE TO TIMESTAMP (SYSDATE -5/24); Which two statements are true about this?（）
A. The database must have multiplexed redo log files
B. The database must be in the MOUNT state to execute the command
C. The database must be in the NOMOUNT state to execute the command
D. The database must be opened in RESTRICTED mode before this operation
E. The database must be opened with the RESETLOGS option after the flashback operation
