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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）.
参考答案
更多 “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）.” 相关考题
考题
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
Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains oneredo 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 1ORA-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
考题
The instance abnormally terminates because of a power outage. Which statement is true about redo log filesduring instance recovery（）A、Inactive and current redo log files are required to accomplish recovery.B、Online and archived redo log files are required to accomplish instance recovery.C、All redo log entries after the last checkpoint are applied from redo log files to data files.D、All redo log entries recorded in the current redo log file until the checkpoint position are applied to data files
考题
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、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
考题
Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member， which is not a member of the current group. How would you recover from the loss of the redo log member？（）A、SMON would automatically restore the lost file.B、You would need to restore the whole database from the last backup.C、You would need to restore the file from the last full database backup.D、You would need to use flashback technology to restore the lost redo log member.E、You would need to use Recovery Manager （RMAN） to restore the lost redo log member.F、You would need to restore the missing log file by copying one of the remaining files from the same group.
考题
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
You configured the Flash Recovery Area for your database. The database instance has been started inARCHIVELOG mode and the LOG_ARCHIVE_DEST_1 parameter is not set. What will be the implications onthe archiving and the location of archive redo log files（）A、Archiving will be disabled because the destination for the redo log files is missing.B、The database instance will shut down and the error details will be logged in the alert log file.C、Archiving will be enabled and the destination for the archived redo log file will be set to the Flash RecoveryArea implicitly.D、Archiving will be enabled and the location for the archive redo log file will be created in the default location$ORACLE_HOME/log.
考题
You performed an incomplete recovery and opened the database with the RESETLOGS option. The LOG_ARCHIVE_FORMAT parameter is set to ’ora_%t_%s_%r.log’. Which statement regarding the archived redo log files， created in an earlier incarnation of the database，is true？（）A、 The archived redo log files will be overwritten.B、 The archived redo log files are deleted automatically.C、 The archived redo log files should be moved to some other location.D、 The archived redo log files are still maintained because the file names are unique.
考题
Because of a power outage， instance failure has occurred. From what point in the redo log does recovery begin and where does it end？（）A、current redo log and inactive redo logB、checkpoint position to end of redo logC、beginning of redo log to end of redo logD、all redo logs before the point of last commitE、beginning of redo log to checkpoint position
考题
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
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
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 instance abnormally terminates because of a power outage. Which statement is true about redolog files during instance recovery（）A、Inactive and current redo log files are required to accomplish recovery.B、Online and archived redo log files are required to accomplish instance recovery.C、All redo log entries after the last checkpoint are applied from redo log files to data files.D、All redo log entries recorded in the current redo log file until the checkpoint position are applied to datafiles.
考题
Your database is functioning in ARCHIVELOG mode. In which two situations would you perform a cancel/x7fbased recovery？（）A、You find that one of the redo log members in each redo log group is lost.B、You find that a data file that belongs to the USERS tablespace is damaged.C、You find that a data file that belongs to the SYSTEM tablespace is damaged.D、You find that the current redo log group is damaged and is not available for recovery.E、You realized while performing a recovery that an archived redo log file needed for recovery is lost.
考题
When performing a database duplication， which duplicate database parameter would you set to ensure that the online redo logs are created in the correct location？（） A、 log_file_name_convertB、 convert_log_file_nameC、 file_name_convert_logD、 redo_log_file_name_convertE、 logfile_convert_directory
考题
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’；
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
单选题The instance abnormally terminates because of a power outage. Which statement is true about redolog files during instance recovery（）A
Inactive and current redo log files are required to accomplish recovery.B
Online and archived redo log files are required to accomplish instance recovery.C
All redo log entries after the last checkpoint are applied from redo log files to data files.D
All redo log entries recorded in the current redo log file until the checkpoint position are applied to datafiles.
考题
单选题You performed an incomplete recovery and opened the database with the RESETLOGS option. The LOG_ARCHIVE_FORMAT parameter is set to ’ora_%t_%s_%r.log’. Which statement regarding the archived redo log files， created in an earlier incarnation of the database，is true？（）A
The archived redo log files will be overwritten.B
The archived redo log files are deleted automatically.C
The archived redo log files should be moved to some other location.D
The archived redo log files are still maintained because the file names are unique.
考题
单选题Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member， which is not a member of the current group. How would you recover from the loss of the redo log member？（）A
SMON would automatically restore the lost file.B
You would need to restore the whole database from the last backup.C
You would need to restore the file from the last full database backup.D
You would need to use flashback technology to restore the lost redo log member.E
You would need to use Recovery Manager （RMAN） to restore the lost redo log member.F
You would need to restore the missing log file by copying one of the remaining files from the same group.
考题
单选题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
单选题Because of a power outage， instance failure has occurred. From what point in the redo log does recovery begin and where does it end？（）A
current redo log and inactive redo logB
checkpoint position to end of redo logC
beginning of redo log to end of redo logD
all redo logs before the point of last commitE
beginning of redo log to checkpoint position
考题
单选题Your database is having two control files， three redo log file groups with two members in each group. Failure of which file would cause an instance to shut down？（）A
any control fileB
any archive log fileC
one of the redo log membersD
loss of the initialization parameter fileE
any data file belonging to the default permanent tablespac
考题
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）.
考题
单选题The instance abnormally terminates because of a power outage. Which statement is true about redo log filesduring instance recovery（）A
Inactive and current redo log files are required to accomplish recovery.B
Online and archived redo log files are required to accomplish instance recovery.C
All redo log entries after the last checkpoint are applied from redo log files to data files.D
All redo log entries recorded in the current redo log file until the checkpoint position are applied to data files
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’；
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