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
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 group
B
perform redo log file import
C
perform an incomplete recovery
D
perform a redo log recovery using Recovery Manager （RMAN）
E
shut down the database and open the database in the NOARCHIVELOG mode
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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
Examine the following scenario:-Database is running in ARCHIVELOG mode.-Complete consistent backup is taken every Sunday.-On Tuesday the instance terminates abnormally because the disk on which control files are located gets corrupted-The disk having active online redo log files is also corrupted.-The hardware is repaired and the paths for online redo log files and control files are still valid.Which option would you use to perform the recovery of database till the point of failure?（）A. Restore the latest whole backup, perform complete recovery, and open the database normallyB. Restore the latest whole backup, perform incomplete recovery, and open the database with the RESETLOGS optionC. Restore the latest backups control file, perform complete recovery, and open the database with the RESETLOGS optionD. Restore the latest backup control file, perform incomplete recovery using backup control file, and open the database with the RESETLOG option
Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors: ORA-00313: open failed for members of log group 1 of thread 1 ORA-00312: online log 1 thread 1: 'D:/REDO01.LOG' You discover that the online redo log file of the current redo group is corrupted. Which statement should you use to resolve this issue?（）A、ALTER DATABASE DROP LOGFILE GROUP 1;B、ALTER DATABASE CLEAR LOGFILE GROUP 1;C、ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;D、ALTER DATABASE DROP LOGFILE MEMBER 'D:/REDO01.LOG
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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
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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
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单选题Examine the following scenario: - Database is running in ARCHIVELOG mode. - Complete consistent backup is taken every Sunday. - On Tuesday the instance terminates abnormally because the disk on which control files are located gets corrupted - The disk having active online redo log files is also corrupted. - The hardware is repaired and the paths for online redo log files and control files are still valid. Which option would you use to perform the recovery of database till the point of failure?（）ARestore the latest whole backup, perform complete recovery, and open the database normallyBRestore the latest whole backup, perform incomplete recovery, and open the database with the RESETLOGS option.CRestore the latest backups control file, perform complete recovery, and open the database with the RESETLOGS option.DRestore the latest backup control file, perform incomplete recovery using backup control file, and open the database with the RESETLOG option.
单选题Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors: ORA-00313: open failed for members of log group 1 of thread 1 ORA-00312: online log 1 thread 1: 'D:/REDO01.LOG' You discover that the online redo log file of the current redo group is corrupted. Which statement should you use to resolve this issue?（）AALTER DATABASE DROP LOGFILE GROUP 1;BALTER DATABASE CLEAR LOGFILE GROUP 1;CALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;DALTER DATABASE DROP LOGFILE MEMBER 'D:/REDO01.LOG
单选题Because of hardware failure， you decided to drop a redo log member from the database. Which condition should be met to drop a redo log file？（）A The redo log file should belong to an active group.B The redo log file should belong to an inactive group.C The redo log file should belong to the current group.D The redo log file can be dropped only if all the transactions are stopped.E Before a redo log file is dropped， it should be deleted from the operating system （OS）.
单选题Examine the following scenario: -Database is running in ARCHIVELOG mode. -Complete consistent backup is taken every Sunday. -On Tuesday the instance terminates abnormally because the disk on which control files are located gets corrupted -The disk having active online redo log files is also corrupted. -The hardware is repaired and the paths for online redo log files and control files are still valid. Which option would you use to perform the recovery of database till the point of failure?（）ARestore the latest whole backup, perform complete recovery, and open the database normallyBRestore the latest whole backup, perform incomplete recovery, and open the database with the RESETLOGS optionCRestore the latest backups control file, perform complete recovery, and open the database with the RESETLOGS optionDRestore the latest backup control file, perform incomplete recovery using backup control file, and open the database with the RESETLOG option
单选题You are working on a database， where you have three redo log groups. When the database is down for a backup， an operating system （OS） user deletes all the redo log files in a group. What will happen when you open your database？（）A The instance starts， the database is mounted， but efforts to open the database fail， and an error about the missing redo log group is displayed.B Before the instance starts， you receive an error about the missing redo log files of a group.C The instance starts and the database opens with an error message written to the alert log file.D The instance starts and the database opens because two redo log groups still exist.E The instance starts and the database opens， but every attempt to write to redo log files fails with an error.
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
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.
单选题Your database is in ARCHIVELOG mode. You have two online redo log groups each of which contains one redo member. When you attempt to start the database， you receive the following errors： ORA-00313： open failed for members of log group 1 of thread 1 ORA-00312： online log 1 thread 1： ’D:///REDO01.LOG’ You discover that the online redo log file of the current redo group is corrupted. Which statement should you use to resolve this issue？（）A SQLALTER DATABASE DROP LOGFILE GROUP 1；B SQLALTER DATABASE CLEAR LOGFILE GROUP 1；C SQLALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1；D SQLALTER DATABASE DROP LOGFILE MEMBER ’D:///REDO01.LOG’；
单选题Examine the following scenario： -Database is running in ARCHIVELOG mode. -Complete consistent backup is taken every Sunday. -On Tuesday the instance terminates abnormally because the disk on which control files are located gets corruptedThe disk having active online redo log files is also corrupted. The hardware is repaired and the paths for online redo log files and control files are still valid. Which option would you use to perform the recovery of database till the point of failure？（）A Restore the latest whole backup，perform complete recovery，and open the database normally B Restore the latest whole backup，perform incomplete recovery，and open the database with the RESETLOGS option.C Restore the latest backups control file，perform complete recovery，and open the database with the RESETLOGS option.D Restore the latest backup control file，perform incomplete recovery using backup control file，and open the database with the RESETLOG option.
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