单选题A junior level Database Administrator erroneously deleted the database alert log while users were accessing the database. Which action should you take to recover the alert log？（）A Do nothing.B Restart the database.C Perform recovery on the database.D Restore the alert log from the last backup.
单选题
A junior level Database Administrator erroneously deleted the database alert log while users were accessing the database. Which action should you take to recover the alert log？（）
A
Do nothing.
B
Restart the database.
C
Perform recovery on the database.
D
Restore the alert log from the last backup.
参考解析
解析：
暂无解析
相关考题：
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
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
A junior level Database Administrator erroneously deleted the database alert log while users were accessing the database. Which action should you take to recover the alert log？（） A、 Do nothing.B、 Restart the database.C、 Perform recovery on the database.D、 Restore the alert log from the last backup.
You work as a database administrator for Certkiller .com. Users in the Certkiller PROD database complain about the slow response when accessing the database. In the Active Session Waiting： Configuration page you find that the majority of the wait time is for the redo log buffer.Further investigation using the Run Queue graph and operating system tools reveals that the redo log files are on the same disks， and that the disk I/O for the redo log files is the reason for the performance degradation. Which two actions would you take to gain performance？（）A、Increase the size of redo log filesB、Increase the size of redo log bufferC、Increase the number of redo log filesD、Place the redo log files on a separate diskE、Decrease the number of redo log groups to twoF、Increate the number Log Writer （LGWR） process
You are working on the Certkiller database. What is the default name of the alert log file in this database？（）A、alert_ Certkiller .logB、alertlog_ Certkiller .logC、alert_log_ Certkiller .logD、Certkiller _alert_log.logE、log_alert_： Certkiller .logF、trace_alert_ Certkiller .log
You are maintaining your database in Oracle10g. You are not using the recovery catalog to maintain the backup information of your database. Which file can be used as a repository to store information regarding the RMAN backup？（）A、 online redo log filesB、 alert log filesC、 control fileD、 datafiles associated with the SYSTEM tablespace
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
Your database is set in NOARCHIVELOG mode and is backed up every night. There are 10 redo log groups on the database， each with three members， making a total of 30 redo log files. At lunchtime the server unexpectedly gets shut down. Upon restarting you notice that the data file belonging to the SYSTEM tablespace has become corrupted. You also notice that there have been 15 log switches during the day. Which solution should you use to recover as much committed data as possible？（）A、Restore the data file for the SYSTEM tablespace then open the database. B、Restore all redo logs form last night's backup, then restart the database. C、Perform a complete restore of all files from last night's backup. Data entered into the database today must be reentered. D、Mount the instance, take the SYSTEM tablespace offline, open the database, and then restore the data file, recover it, and bring the tablespace online.
You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a SQL Server 7.0 database. You upgrade the database to the SQL Server instance. According to the company requirement, you must make sure that suspect pages can be detected in the database. So what action should you perform to achieve this goal?（）A、For the database, you should turn on the TRUSTWORTHY database optionB、For the database, the PAGE_VERIFY database option should be set to CHECKSUMC、For the database, the database compatibility level option should be set to 10D、For the model database, the PAGE_VERIFY database option should be set to TORN_PAGE_DETECTION.
You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance which is named Instance01. Instance01 contains a database which is named Dworks. The bulk-logged recovery mode is used by the Dworks database. You log ship the Dworks database through a WAN link. A scheduled job rebuilds the indexes of the Dworks database. You find that the size of the log backups for log shipping has been enlarged by the job. Now you have to reduce the size of the log backup. So what action should you perform to achieve this goal？（） A、You should recreate the indexes. B、You should compress the log file backups C、You should make the Dworks database use the Full recovery mode D、You should make the Dworks database use the Simple recovery mode.
You are a database administrator for your company. The company uses a SQL Server 2005 database. A full backup of the database is made each night. Transaction log backups are made each morning and each afternoon. You notice that the database transaction log file grows very large throughout the day. You need to minimize the size of the transaction log file. You also need to minimize data loss in the event of a failure. What should you do？（）A、Decrease the amount of time between transaction log backups.B、Configure the database to use the simple recovery model.C、Configure the RECOVERY INTERVAL option to be a smaller value.D、Run DBCC SHRINKFILE on the transaction log file.
You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. Now you get an order from your company CIO， you have to identify whether a database integrity check （DBCC CHECKDB） was run for a particular database. Which log file should you examine？（）A、log.trc B、default.trc C、ERRORLOG D、SQLAGENT
You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. On DB1, quite few logged operations are performed. Now according to the requirement of the company CIO, you must validate that the database can be restored to a specific point in time. So what action should you perform to achieve this goal? （） A、You should verify that the simple recovery model is used by the database.B、You should verify that the full recovery model is used by the database.C、You should verify that the checksum page verify option is used by the database. D、You should verify that the bulk-logged recovery model is used by the database.
You configured automatic archive logging for the database. On the next startup the database runs for a while， but then hangs. After checking the alert log， you determine that all the online redo logs need archiving. Which step was skipped when you set up automatic archive log？（）A、LOG_ARCHIVE_DEST was not set in the parameter file.B、LOG_ARCHIVE_START was not set in the parameter file.C、alter database archivelog； was not executed in MOUNT mode.D、LOG_ARCHIVE_MAX processes were not set in the parameter file.
单选题You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. On DB1, quite few logged operations are performed. Now according to the requirement of the company CIO, you must validate that the database can be restored to a specific point in time. So what action should you perform to achieve this goal? （）AYou should verify that the simple recovery model is used by the database.BYou should verify that the full recovery model is used by the database.CYou should verify that the checksum page verify option is used by the database. DYou should verify that the bulk-logged recovery model is used by the database.
单选题You configured automatic archive logging for the database. On the next startup the database runs for a while， but then hangs. After checking the alert log， you determine that all the online redo logs need archiving. Which step was skipped when you set up automatic archive log？（）ALOG_ARCHIVE_DEST was not set in the parameter file.BLOG_ARCHIVE_START was not set in the parameter file.Calter database archivelog； was not executed in MOUNT mode.DLOG_ARCHIVE_MAX processes were not set in the parameter file.
单选题You are a database administrator for your company. The company uses a SQL Server 2005 database. A full backup of the database is made each night. Transaction log backups are made each morning and each afternoon. You notice that the database transaction log file grows very large throughout the day. You need to minimize the size of the transaction log file. You also need to minimize data loss in the event of a failure. What should you do？（）ADecrease the amount of time between transaction log backups.BConfigure the database to use the simple recovery model.CConfigure the RECOVERY INTERVAL option to be a smaller value.DRun DBCC SHRINKFILE on the transaction log file.
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?（）AYou should perform a log switchBYou should make a backup of the databaseCYou should switch the database to the NONARCHIVELOG modeDYou should shut down the database instance and perform a complete database recovery
多选题You work as a database administrator for Certkiller .com. One of the database users accidentally deleted all the rows of a critical table and committed the delete at 1：30 p.m. You senior database administrator， Certkiller， asks you to retrieve the lost data. Which two actions would you use to ensure that there is no impact on other connected users while retrieving the deleted rows？（）AUse a flashback query to retrieve the rows that were deletedBUseconventialincremental export and then import the affected objectCShutdown the database inNORMALmode and restart the database instanceDUse DBMS_META package to reconstruct the object using undo segmentsEUseTablespacePoint in Time Recovery （TSPITR） method to recover the table and the dataFUse Oracle DataPumptwithflashback_timeoption toentableflashback export and then import the affected object.
单选题You are working on the Certkiller database. What is the default name of the alert log file in this database？（）Aalert_ Certkiller .logBalertlog_ Certkiller .logCalert_log_ Certkiller .logDCertkiller _alert_log.logElog_alert_： Certkiller .logFtrace_alert_ Certkiller .log
单选题You are maintaining your database in Oracle10g. You are not using the recovery catalog to maintain the backup information of your database. Which file can be used as a repository to store information regarding the RMAN backup？（）A online redo log filesB alert log filesC control fileD datafiles associated with the SYSTEM tablespace
单选题Consider the recovery steps in each of the cases given below： Case 1： Shut down the database and perform a backup. Restore all the data files. Mount the database. Recover the database. Without applying all the redo log files， open the database using the RESETLOGS option. Back up the database. Case 2： Shut down the database and perform a backup. Restore only the data files of the tablespace where user error damaged the data. Mount the database. Recover the database. Open the database with the RESETLOGS option. Back up the database. Case 3： Shut down the database Restore the data files Open the database Perform recovery to the current point in time. Which case has the correct steps for an incomplete recovery？（）Aonly case 1Bonly case 2Conly case 3Dcase 1 and 2Ecase 2 and 3Fcase 1 and 3Gall cases： case 1， case 2 and case 3
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You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a SQL Server 7.0 database. You upgrade the database to the SQL Server instance. According to the company requirement, you must make sure that suspect pages can be detected in the database. So what action should you perform to achieve this goal?（）AFor the database, you should turn on the TRUSTWORTHY database optionBFor the database, the PAGE_VERIFY database option should be set to CHECKSUMCFor the database, the database compatibility level option should be set to 10DFor the model database, the PAGE_VERIFY database option should be set to TORN_PAGE_DETECTION.
单选题You are using recovery Manager (RMAN) with a recovery catalog to backup up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. The database was open and transactions were recorded in the redo logs. Because of fire in the building you lost your servers having the production database and the recovery catalog database. The archive log files generated after the last backup are intact on one of the remote locations. While performing a disaster recovery of the production database what is the next step that you must perform after restoring the data files and applying archived redo logs?（）AOpen the database in NORMAL modeBOpen the database in read-only modeCOpen the database in RESTRICTED modeDOpen the database with the RESETLOGS option
单选题You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance which is named Instance01. Instance01 contains a database which is named Dworks. The bulk-logged recovery mode is used by the Dworks database. You log ship the Dworks database through a WAN link. A scheduled job rebuilds the indexes of the Dworks database. You find that the size of the log backups for log shipping has been enlarged by the job. Now you have to reduce the size of the log backup. So what action should you perform to achieve this goal？（）AYou should recreate the indexes. BYou should compress the log file backups CYou should make the Dworks database use the Full recovery mode DYou should make the Dworks database use the Simple recovery mode.
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