You have discovered that one of three control files has been lost. What steps would you follow to recover that control file？（） a. Shut down the database. b. Restore a control-file copy from backup media. c. Use the create control file command to create a new control file. d. Copy the backup control file into place. e. Create a new copy of the control file from one of the surviving control files. f. Recover the database using the recover database using backup control file command. g. Start up the database.
A、a， b， f， g
B、c， f， g
C、a， d， f， g
D、a， f， g
E、a， e， g
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To view the results of the most recent Automatic SQL Tuning Advisor task，which sequence should you follow？（）
A、 EM Database home page，Software and Support，SQL Advisors，Automatic SQL Tuning Advisor
B、 EM Database home page，Software and Support，Advisor Central，SQL Advisors，Automatic SQL Tuning Advisor
C、 EM Database home page，Software and Support，Support Workbench，Advisor Central，SQL Advisors，Automatic SQL Tuning Advisor
D、 Either B or C
E、 All of the above
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Which command would correctly start a TSPITR of the USERS tablespace？（）
A、 recover tablespace users until time ，，10/06/2008：22：42：00 auxiliary ，，c/oracle/auxiliary
B、 recover tablespace users time ，，10/06/2008：22：42：00 auxiliary destination ，，c：/oracle/auxiliary； time ，， 10/06/2008：22：42：00 auxiliary destination ，，c/oracle/auxiliary
C、 recover tablespace users to point-in.
D、 recover tablespace users except time ，，10/06/2008：22：42：00 auxiliary destination ，，c：/oracle/auxiliary
E、 recover tablespace users until time ，，10/06/2008：22：42：00 auxiliary destination ，，c：/oracle/auxiliary
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You issue the following command on the RMAN prompt. REPORT NEED BACKUP DAYS 5; Which statement is true about executing this command?（）
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 up
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Which of the following is not a valid linguistic sort element？（）
A、 Accent expansion
B、 Canonical equivalence
C、 Reverse secondary sorting
D、 Ignorable characters
E、 Character rearrangement
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You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true?（）
A、You must have change tracking enabled in your database
B、Your database must be running in NOARCHIVELOG mode
C、To back up a tablespace, it must be in backup mode
D、To back up a tablespace, it must first be taken offline