You executed the following FLASHBACK TABLE command： FLASHBACK TABLE emp TO TIMESTAMP （’11：45’，’hh12：mi’）； Which two statements are correct？ （）

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  A . It will display a list of files that need incremental backup B . It will display a list of files that need backup after five days C . It will display a list of files that were backed up in the last five days D . It will display a list of files that have not been backed up in the last five days E . It will apply the current retention policy to determine the files that need to be backed u

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• Before a Flashback Table operation, you execute the following command: ALTER TABLE employees ENABLE ROW MOVEMENT; Why would you need this to be executed?（）

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• You execute the following PL/SQL:Which two statements are true?（）

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  A .  run { open script backup_database； run script backup_database } B .  run { engage script backup_database； } C .  run { run script backup_database； } D .  Run { execute script backup_database； } E .  The name backup_database is an invalid name for an RMAN script. Trying to run it from RMAN would result in an error.

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  A .  It will display a list of files that need incremental backup B .  It will display a list of files that need backup after five days C .  It will display a list of files that were backed up in the last five days D .  It will display a list of files that have not been backed up in the last five days E .  It will apply the current retention policy to determine the files that need to be backed u

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• You are managing a single instance Oracle 10g database that utilizes the following parameters：  Which of the following set of commands must you execute to enable Flashback Database？（）

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• You executed the following command in the Recovery Manager （RMAN）：   RMAN> REPORT NEED BACKUP days 3；   What is the output of this command？（）  

  A .  A list of files that require a backup within 3 days B .  A list of files requiring more than 3 days of archivelogs to apply C .  A list of files that RMAN recommends be backed up only once in every three days，based on low volatility D .  A list of files for which a backup as already been performed in the last three days and which is  required to be backed up again based on the high number of transactions performed on them

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  A .  The code will run a backup validation to populate the V$BACKUP_CORRUPTION view and repair corrupt blocks， if any， recorded in the view. B .  The code will run a backup validate to populate the V$COPY_CORRUPTION view and then repair any corrupt blocks recorded in the view. C .  The code will runs a backup validate to populate the V$DATABASE_BLOCK_CORRUPTION view and then repair corrupt blocks， if any， recorded in the view. D .  The code will run a backup validate to populate the RC_BACKUP_CORRUPTION view and then repair corrupt blocks， if any， recorded in the view.

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• You execute the following command to change the status of the SALES tablespace：  SQL> ALTER TABLESPACE sales OFFLINE；  Which statements describe the effect of the command（）

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  A .  a list of files that require a backup within three days B .  a list of files requiring more than 3 days of archive logs to apply C .  a list of files that RMAN recommends be backed up only once in every three days，based on low volatility D .  a list of files for which a backup has already been performed in the last three days and which is required to be backed up again based on the high number of transactions performed on them

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  A . The database is in NOMOUNT state. B . The database is in ARCHIVELOG mode and the tablespace is online. C . The database is in ARCHIVELOG mode and the tablespace is offline. D . The database is in NOARCHIVELOG mode and the tablespace is online. E . The database is in NOARCHIVELOG mode and the tablespace is offline.

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• You executed the following command in Recovery Manager （RMAN）：  RMAN> RESTORE CONTROLFILE；  Which operation must you perform before this command is executed？（） 

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• You executed the following command in Recovery Manager （RMAN） to perform a backup of the DETTBS tablespace： RMAN> BACKUP TABLESPACE DETTBS；  Under which conditions would this command execute successfully？ （）

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• You executed the following command in Recovery Manager （RMAN）：  RMAN> RESTORE CONTROLFILE；  Which operation must you perform before this command is executed？（）

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