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单选题
You are using the following command to clear the log file group： ALTER DATABASE CLEAR LOFFILE GROUP 2； In which case would the command be successful？（）
A
Group 2 is the active group.
B
Group 2 is the current group.
C
Database is in the MOUNT state.
D
Group 2 has been already archived.
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更多 “单选题You are using the following command to clear the log file group： ALTER DATABASE CLEAR LOFFILE GROUP 2； In which case would the command be successful？（）A Group 2 is the active group.B Group 2 is the current group.C Database is in the MOUNT state.D Group 2 has been already archived.” 相关考题
考题
You issued the following commands to configure setting in RMAN;Then you issued the following command to take the backup:RMAN BACKUP DATABASE PLUS ARCHIVELOG;Which statement is true about the execution of the above command?（）A. The backup will terminate because the FORMAT clause was not configured for the channelB. It backs up two copies of data files to tape and disk, and two copies of archived log file on tapeC. It backs up the data files and archived log files to disk, making two copies of each data file and archived log fileD. It backs up the data files and archived log files to tape, making two copies of each data file and archived log file
考题
You are using replication and the binary log files on your master server consume a lot of disk space. Which two steps should you perform to safely remove some of the older binary log files?()
A.Use the command PURGE BINARY LOGS and specify a binary log file name or a date and time to remove unused filesB.Execute the PURGE BINARY LOGE NOT USED commandC.Remove all of the binary log files that have a modification date earlier than todayD.Edit the .index file to remove the files you want to deleteE.Ensure that none of the attached slaves are using any of the binary logs you want to delete
考题
You are a Database Administrator with WonderWeb. You use a password file to establish connections to the Sales database located on the server. You created the password file using the following command： ORAPWD file=d：/oracle/ora9i/orapwU01 password=admin entries=4 You erroneously deleted the password file while the database was running. You re-create the password file using the following command： ORAPWD file=d：/oracle/ora9i/orapwU01 password=change_on_install entries=4 However， when you try to connect as the SYS user， you receive the following error： ORA-01031： insufficient privileges What should you do to resolve this error？（）A、 Delete the newly created password file and re-create another password file with the password admin， without shutting down the database.B、 Enable the operating system authentication， shut down the database， disable the operating system authentication， and restart the database using the password file.C、 Enable the operating system authentication， shut down the database， re-create the password file using the same ORAPWD command， and restart the database using the password file.D、 Delete the newly created password file， enable operating system authentication and shut down the database. Then， re-create another password file using the same ORAPWD command and restart the database using this password file.
考题
If a log file becomes corrupted， it may cause the database to stall. How would you correct such a situation？（） A、 Recover the online redo log from backup.B、 Delete and re-create the log file.C、 Use the alter database clear logfile command to clear the log file.D、 Shut down the database and restart it.E、 Shut down the database and then mount it. Clear the log file with the alter database clear logfile command and then restart the database with alter database open resetlogs.
考题
Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt： RMAN CONFIGURE CONTROLFILE AUTOBACKUP OFF； RMAN BACKUP DATABASE； Which files from the database will be backed up as a result of this BACKUP command？（）A、 control fileB、 all datafilesC、 password fileD、 online redo log fileE、 archive redo log fileF、 server parameter fileG、 only the SYSTEM datafile
考题
You issued the following RMAN command： RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON； What is NOT an impact of using the above command？（）A、 When a successful backup is recorded in the RMAN repository， then a backup of the current control file is performed.B、 When a structural change is made to the database， then a backup of the current control file is performed.C、 When a successful backup is performed in the RMAN repository， then a backup of the spfile is performed.D、 When a structural change is made to the database， then a backup of the alert log file will be performed.
考题
You used the following command in Recovery Manager （RMAN） as part of the recovery process： RESTORE CONTROLFILE FROM AUTOBACKUP； How does RMAN find the control file autobackup？（）A、 By using the trace file.B、 By using the alert log file.C、 By using the database IDD、 By using the server parameter file.E、 By using the V$CONTROLFILE view.F、 By using the autobackup format configuration setting.
考题
You are maintaining your database in Oracle10g. You are performing the backup by using the BACKUP AS BACKUPSET command at the RMAN prompt. Which file cannot be backed up by using the BACKUP AS BACKUPSET command？（）A、DatafilesB、 Current control fileC、 Server parameter file （spfile）D、 Password file
考题
A redo log file is corrupted while the database is open； as a consequence， database operations are stopped because archiving cannot continue. What would you do to solve the problem？（）A、 clear the redo log groupB、 perform redo log file importC、 perform an incomplete recoveryD、 perform a redo log recovery using Recovery Manager （RMAN）E、 shut down the database and open the database in the NOARCHIVELOG mode
考题
The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. Oneof the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3; Which action should you perform immediately after using this command?（）A、You should perform a log switchB、You should make a backup of the databaseC、You should switch the database to the NONARCHIVELOG modeD、You should shut down the database instance and perform a complete database recovery
考题
You used the following command in Recovery Manager （RMAN） as part of the recovery process： RESTORE CONTROLFILE FROM AUTOBACKUP; How does RMAN find the control file autobackup？（）A、by using the trace fileB、by using the alert log fileC、by using the database IDD、by using the server parameter fileE、by using the V$CONTROLFILE viewF、by using the autobackup format configuration setting
考题
You have lost all your database control files. To recover them， you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact. Which of the following is true regarding your recovery？（） A、 You will need to open the database with the resetlogs command.B、 All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.C、 You will use the resetlogs version of the create controlfile command.D、 You will use the noresetlogs version of the create controlfile command.E、 You will use the trace file to create a backup control file， and then you will recover the database with the recover database using backup controlfile command
考题
Which statement about recovering from the loss of a redo log group is true?（）A、If the lost redo log group is ACTIVE, you should first attempt to clear the log file.B、If the lost redo log group is CURRENT, you must clear the log file.C、If the lost redo log group is ACTIVE, you must restore, perform cancel-based incomplete recovery, and open the database using the RESETLOGS option.D、If the lost redo log group is CURRENT, you must restore, perform cancel-based incomplete recovery, and open the database using the RESETLOGS option.
考题
You administer a SQL Server 2008 instance. You plan to deploy a new database to the instance. The database will be subject to frequent inserts and updates. The database will have multiple schemas. One of the schemas will contain a large amount of read-only reference data. You need to design the physical database structure for optimal backup performance. What should you do?（） A、Create the database by using a single data file and a single log file.B、Create the database by using a single data file and multiple log files.C、Create the database by using a single log file and multiple filegroups.D、Create the database by using a single log file and a filegroup that has multiple data files.
考题
单选题You are attempting to clear an unarchived redo log file. In order to manually enact a log switch, which of the following statements is appropriate?（）A
ALTER DATABASE B
ALTER SYSTEM C
ALTER USER D
ALTER REDO LOG
考题
多选题You are using replication and the binary log files on your master server consume a lot of disk space. Which two steps should you perform to safely remove some of the older binary log files?（）AUse the command PURGE BINARY LOGS and specify a binary log file name or a date and time to remove unused filesBExecute the PURGE BINARY LOGE NOT USED commandCRemove all of the binary log files that have a modification date earlier than todayDEdit the .index file to remove the files you want to deleteEEnsure that none of the attached slaves are using any of the binary logs you want to delete
考题
单选题The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each.One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file: ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3; Which action should you perform immediately after using this command?（）A
You should perform a log switchB
You should make a backup of the databaseC
You should switch the database to the NONARCHIVELOG modeD
You should shut down the database instance and perform a complete database recovery
考题
单选题You are using the following command to clear the log file group： ALTER DATABASE CLEAR LOFFILE GROUP 2； In which case would the command be successful？（）A
Group 2 is the active group.B
Group 2 is the current group.C
Database is in the MOUNT state.D
Group 2 has been already archived.
考题
多选题You used the following command in Recovery Manager （RMAN） as part of the recovery process： RESTORE CONTROLFILE FROM AUTOBACKUP； How does RMAN find the control file autobackup？（）ABy using the trace file.BBy using the alert log file.CBy using the database IDDBy using the server parameter file.EBy using the V$CONTROLFILE view.FBy using the autobackup format configuration setting.
考题
单选题You issued the following RMAN command： RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON； What is NOT an impact of using the above command？（）A
When a successful backup is recorded in the RMAN repository， then a backup of the current control file is performed.B
When a structural change is made to the database， then a backup of the current control file is performed.C
When a successful backup is performed in the RMAN repository， then a backup of the spfile is performed.D
When a structural change is made to the database， then a backup of the alert log file will be performed.
考题
多选题You used the following command in Recovery Manager （RMAN） as part of the recovery process： RESTORE CONTROLFILE FROM AUTOBACKUP; How does RMAN find the control file autobackup？（）Aby using the trace fileBby using the alert log fileCby using the database IDDby using the server parameter fileEby using the V$CONTROLFILE viewFby using the autobackup format configuration setting
考题
单选题A redo log file is corrupted while the database is open； as a consequence， database operations are stopped because archiving cannot continue. What would you do to solve the problem？（）A
clear the redo log groupB
perform redo log file importC
perform an incomplete recoveryD
perform a redo log recovery using Recovery Manager （RMAN）E
shut down the database and open the database in the NOARCHIVELOG mode
考题
单选题You issued the following commands to configure setting in RMAN; Then you issued the following command to take the backup: RMAN BACKUP DATABASE PLUS ARCHIVELOG; Which statement is true about the execution of the above command?（）A
The backup will terminate because the FORMAT clause was not configured for the channelB
It backs up two copies of data files to tape and disk, and two copies of archived log file on tapeC
It backs up the data files and archived log files to disk, making two copies of each data file and archived log fileD
It backs up the data files and archived log files to tape, making two copies of each data file and archived log file
考题
单选题If a log file becomes corrupted， it may cause the database to stall. How would you correct such a situation？（）A
Recover the online redo log from backup.B
Delete and re-create the log file.C
Use the alter database clear logfile command to clear the log file.D
Shut down the database and restart it.E
Shut down the database and then mount it. Clear the log file with the alter database clear logfile command and then restart the database with alter database open resetlogs.
考题
单选题Consider the MySQL Enterprise Audit plugin. On attempting to start the MySQL service after a crash, notice the following error: [ERROR] Plugin ‘audit_log’ init function returned error. In the audit log file, you notice the final entry: … What action should you take to fix the error and allow the service to start?（）A
Re-install the audit pluginB
Execute the command FLUSH LOGSC
Execute the command SET GLOBAL audit_log_fiush= OND
Move or rename the existing audit.log file
考题
单选题The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file： ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3； Which action should you perform immediately after using this command？（）A
You should perform a log switchB
You should make a backup of the databaseC
You should switch the database to the NONARCHIVELOG modeD
You should shut down the database instance and perform a complete database recovery
考题
单选题Which statement about recovering from the loss of a redo log group is true？（）A
If the lost redo log group is ACTIVE， you should first attempt to clear the log file.B
If the lost redo log group is CURRENT， you must clear the log file.C
If the lost redo log group is ACTIVE， you must restore，perform cancel-based incomplete recovery，and open the database using the RESETLOGS option.D
If the lost redo log group is CURRENT， you must restore，perform cancel-based incomplete recovery，and open the database using the RESETLOGS option.
考题
多选题Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt： RMAN CONFIGURE CONTROLFILE AUTOBACKUP OFF； RMAN BACKUP DATABASE； Which files from the database will be backed up as a result of this BACKUP command？（）Acontrol fileBall datafilesCpassword fileDonline redo log fileEarchive redo log fileFserver parameter fileGonly the SYSTEM datafile
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