单选题You lost the PRODSTD tablespace, which was read/write. The tablespace was read/x7fonly when the last backup was performed. How would you recover the tablespace?()Arestore the tablespace from the backup; there is no need to apply the redo information Brestore the full database to recover the data up to the point when you performed the backup Crestore the tablespace from the backup, and then perform a recovery using the backup control fileDrestore the tablespace from the backup, and then recover the tablespace; all the redo information from the point when the tablespace was made read/write is applied

单选题
You lost the PRODSTD tablespace, which was read/write. The tablespace was read/x7fonly when the last backup was performed. How would you recover the tablespace?()
A

restore the tablespace from the backup; there is no need to apply the redo information 

B

restore the full database to recover the data up to the point when you performed the backup 

C

restore the tablespace from the backup, and then perform a recovery using the backup control file

D

restore the tablespace from the backup, and then recover the tablespace; all the redo information from the point when the tablespace was made read/write is applied


参考解析

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相关考题:

Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS tablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten sincethe last backup.  What would you do to recover the data file()A、Take the USERS tablespace offline and re-create the lost data file.B、Shut down the instance, restore the data file from the last consistent backup, and restart the databaseinstance.C、Shut down the instance, restore all the database files from the last consistent backup, and restart thedatabase instance.D、Take the USERS tablespace offline, restore all the data files of the USERS tablespace from the lastconsistent backup, and make the tablespace online

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.

You lost a temporary file that belongs to the default temporary tablespace in your database. From the options provided, which approach would you take to solve the problem? ()A、flash back the databaseB、import the temporary tablespace from the last exportC、restore all the data files and temporary files from the last full database backup and perform a recoveryD、not perform a recovery, but create a new temporary tablespace, make it the default temporary tablespace and then drop the old tablespace

Your database is running in NOARCHIVELOG mode with two online redo log files. The SALES table contains sales information for the organization. The SALES table belongs to the SALESTB tablespace.  On Monday, you insert 10 rows into the SALES table. The current log sequence number is 14. You change the tablespace status from READ WRITE to READ ONLY for the SALESTB tablespace. You shut down the database and take a backup of the SALESTB tablespace.   On Tuesday, you start the database. You change the status for the SALESTB tablespace from READ ONLY to READ WRITE. You insert 10 more rows into the SALES table and shut down the database. The current log sequence number is 15.   When you try to open the database on Wednesday morning, you discover that the SALESTB tablespace was lost because of a media failure. Which of the following options is true about recovering the SALES table?()A、 The SALES table cannot be recovered because the database is running in NOARCHIVELOG mode.B、 The SALES table can be recovered by restoring the SALESTB tablespace from the backup and performing a media recovery.C、 The SALES table can be recovered by restoring the SALESTB tablespace from the backup without performing any media recovery.D、 The SALES table can be recovered by restoring the SALESTB tablespace from the backup, but the rows inserted on Tuesday need to be inserted again.

You have a read-only tablespace on read-only media. You want to perform a media recovery on the existing data files, but using a backup control file. The backup control file indicates that the status of the read-only tablespace was read/write when the control file was backed up. What should you consider?()A、 take data files from the read-only tablespace offline before performing a recoveryB、 recovery using backup control file is not possible, so restore all the files from the last full database backup, and then open the databaseC、 drop the read-only tablespace and re-create the tablespace after recoveryD、 perform a recovery; status of the tablespace in control file will be changed automatically

Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERStablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten since the last backup.  What would you do to recover the data file()A、Take the USERS tablespace offline and re-create the lost data file.B、Shut down the instance, restore the data file from the last consistent backup, and restart the databaseinstance.C、Shut down the instance, restore all the database files from the last consistent backup, and restart thedatabase instance.D、Take the USERS tablespace offline, restore all the data files of the USERS tablespace from the lastconsistent backup, and make the tablespace online.

You have a read/x7fonly tablespace on read/x7fonly media. You want to perform a media recovery on the existing data files, but using a backup control file. The backup control file indicates that the status of the read/x7fonly tablespace was read/write when the control file was backed up. What should you consider?()A、drop the read­only tablespace and re­create the tablespace after recoveryB、take data files from the read­only tablespace offline before performing a recoveryC、perform a recovery; status of the tablespace in control file will be changed automaticallyD、recovery using backup control file is not possible, so restore all the files from the last full database backup, and then open the database

Adam is working as a Database Administrator (DBA) for TeleSoft Corporation. His database is running in the ARCHIVELOG mode. During database startup, he discovers that one of the disks crashed, resulting in the permanent loss of a read-write USERS tablespace. The USERS01.dbf datafile belongs to the USERS tablespace and is 500 MB in size. He needs to recover the USERS tablespace from the backup. While reviewing the backup details, he discovers that the most recent available backup is five days old. This backup was taken when the USERS tablespace was read-only. After correcting the hardware problem that caused the failure, what should Adam do to recover the USERS tablespace?()A、 Restore the USERS01.dbf file from the backup, and open the database using the STARTUP command.B、 Restore the USERS01.dbf file using the RECOVER TABLESPACE command, and open the database using the ALTER DATABASE OPEN statement.C、 Restore the USERS01.dbf file from the backup, recover the USERS tablespace using the RECOVER TABLESPACE command, and open the database using the ALTER DATABASE OPEN statement.D、 Restore the USERS01.dbf file from the backup and change the status of the USERS tablespace from read-only to read-write using the ALTER TABLESPACE USERS READ WRITE statement. Then, recover the USERS tablespace using the RECOVER TABLESPACE command, and open the database using the ALTER DATABASE OPEN statement.

You lost the PRODSTD tablespace, which was read/write. The tablespace was read/x7fonly when the last backup was performed. How would you recover the tablespace?()A、restore the tablespace from the backup; there is no need to apply the redo information B、restore the full database to recover the data up to the point when you performed the backup C、restore the tablespace from the backup, and then perform a recovery using the backup control fileD、restore the tablespace from the backup, and then recover the tablespace; all the redo information from the point when the tablespace was made read/write is applied

You lost a data file that belongs to an index tablespace in your database, which operates in ARCHIVELOG mode. Loss of the data file resulted in increased response time on your queries. Which two options would you use to solve this problem? ()A、 Restore the lost data file from the backup, and then flash back the database.B、 Restore the data file pertaining to index tablespace, and then recover the tablespace.C、 Restore all the data files, and then perform an incomplete recovery to get the tablespace back.D、 Restore all the data files, and then perform an incomplete recovery using the backup control file.E、 Drop and re-create the index tablespace, and then re-create all of the indexes in that tablespace.

You lost the PRODSTD tablespace, which was read/write. The tablespace was read-only when the last backup was performed. How would you recover the tablespace?()A、 restore the tablespace from the backup; there is no need to apply the redo informationB、 restore the full database to recover the data up to the point when you performed the backupC、 restore the tablespace from the backup and then perform a recovery using the backup control fileD、 restore the tablespace from the backup and then recover the tablespace; all the redo information from the point when the tablespace was made read/write is applied

In which of the following scenarios is a tablespace recovery required?()A、 when recovering a lost read-only tablespace from a read-only tablespace backupB、 when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in  ARCHIVELOG modeC、 when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in  NOARCHIVELOG mode and the changes in the online redo log files have been overwrittenD、 when recovering a lost read-only tablespace from a read-only tablespace backup using the backup of the control file, the control file was created using the ALTER DATABASE BACKUP CONTROLFILE TO TRACE statement, and this statement was issued when the tablespace was read-only

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.

单选题You have a read/x7fonly tablespace on read/x7fonly media. You want to perform a media recovery on the existing data files, but using a backup control file. The backup control file indicates that the status of the read/x7fonly tablespace was read/write when the control file was backed up. What should you consider?()Adrop the read­only tablespace and re­create the tablespace after recoveryBtake data files from the read­only tablespace offline before performing a recoveryCperform a recovery; status of the tablespace in control file will be changed automaticallyDrecovery using backup control file is not possible, so restore all the files from the last full database backup, and then open the database

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?()ASMON would automatically restore the lost file.BYou would need to restore the whole database from the last backup.CYou would need to restore the file from the last full database backup.DYou would need to use flashback technology to restore the lost redo log member.EYou would need to use Recovery Manager (RMAN) to restore the lost redo log member.FYou would need to restore the missing log file by copying one of the remaining files from the same group.

单选题Your database is configured in NOARCHIVELOG mode. Due to a media failure, you have lost one of the datafiles belonging to a read-only tablespace. You know that the last backup was performed after the tablespace was made read-only. Which action should you take to restore the missing datafile in the minimum amount of time?()A Restore all the datafiles from the backup.B Restore only the lost datafile from the backup.C Restore all the datafiles for the lost tablespace from the backup.D Restore all the datafiles for the lost tablespace and all the SYSTEM and SYSAUX datafiles from the backup.

单选题You have a read-only tablespace on read-only media. You want to perform a media recovery on the existing data files, but using a backup control file. The backup control file indicates that the status of the read-only tablespace was read/write when the control file was backed up. What should you consider?()A take data files from the read-only tablespace offline before performing a recoveryB recovery using backup control file is not possible, so restore all the files from the last full database backup, and then open the databaseC drop the read-only tablespace and re-create the tablespace after recoveryD perform a recovery; status of the tablespace in control file will be changed automatically

单选题Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS tablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten sincethe last backup.  What would you do to recover the data file()ATake the USERS tablespace offline and re-create the lost data file.BShut down the instance, restore the data file from the last consistent backup, and restart the databaseinstance.CShut down the instance, restore all the database files from the last consistent backup, and restart thedatabase instance.DTake the USERS tablespace offline, restore all the data files of the USERS tablespace from the lastconsistent backup, and make the tablespace online

单选题Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERStablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten since the last backup.  What would you do to recover the data file()ATake the USERS tablespace offline and re-create the lost data file.BShut down the instance, restore the data file from the last consistent backup, and restart the databaseinstance.CShut down the instance, restore all the database files from the last consistent backup, and restart thedatabase instance.DTake the USERS tablespace offline, restore all the data files of the USERS tablespace from the lastconsistent backup, and make the tablespace online.

单选题Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS tablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten sincethe last backup.  What would you do to recover the data file()ATake the USERS tablespace offline and re-create the lost data file.BShut down the instance, restore the data file from the last consistent backup, and restart the databaseinstance.CShut down the instance, restore all the database files from the last consistent backup, and restart thedatabase instance.DTake the USERS tablespace offline, restore all the data files of the USERS tablespace from the lastconsistent backup, and make the tablespace online

单选题Adam is working as a Database Administrator (DBA) for TeleSoft Corporation. His database is running in the ARCHIVELOG mode. During database startup, he discovers that one of the disks crashed, resulting in the permanent loss of a read-write USERS tablespace. The USERS01.dbf datafile belongs to the USERS tablespace and is 500 MB in size. He needs to recover the USERS tablespace from the backup. While reviewing the backup details, he discovers that the most recent available backup is five days old. This backup was taken when the USERS tablespace was read-only. After correcting the hardware problem that caused the failure, what should Adam do to recover the USERS tablespace?()A Restore the USERS01.dbf file from the backup, and open the database using the STARTUP command.B Restore the USERS01.dbf file using the RECOVER TABLESPACE command, and open the database using the ALTER DATABASE OPEN statement.C Restore the USERS01.dbf file from the backup, recover the USERS tablespace using the RECOVER TABLESPACE command, and open the database using the ALTER DATABASE OPEN statement.D Restore the USERS01.dbf file from the backup and change the status of the USERS tablespace from read-only to read-write using the ALTER TABLESPACE USERS READ WRITE statement. Then, recover the USERS tablespace using the RECOVER TABLESPACE command, and open the database using the ALTER DATABASE OPEN statement.

单选题Your database is running in NOARCHIVELOG mode with two online redo log files. The SALES table contains sales information for the organization. The SALES table belongs to the SALESTB tablespace.  On Monday, you insert 10 rows into the SALES table. The current log sequence number is 14. You change the tablespace status from READ WRITE to READ ONLY for the SALESTB tablespace. You shut down the database and take a backup of the SALESTB tablespace.   On Tuesday, you start the database. You change the status for the SALESTB tablespace from READ ONLY to READ WRITE. You insert 10 more rows into the SALES table and shut down the database. The current log sequence number is 15.   When you try to open the database on Wednesday morning, you discover that the SALESTB tablespace was lost because of a media failure. Which of the following options is true about recovering the SALES table?()A The SALES table cannot be recovered because the database is running in NOARCHIVELOG mode.B The SALES table can be recovered by restoring the SALESTB tablespace from the backup and performing a media recovery.C The SALES table can be recovered by restoring the SALESTB tablespace from the backup without performing any media recovery.D The SALES table can be recovered by restoring the SALESTB tablespace from the backup, but the rows inserted on Tuesday need to be inserted again.

单选题In which of the following scenarios is a tablespace recovery required?()A when recovering a lost read-only tablespace from a read-only tablespace backupB when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in  ARCHIVELOG modeC when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in  NOARCHIVELOG mode and the changes in the online redo log files have been overwrittenD when recovering a lost read-only tablespace from a read-only tablespace backup using the backup of the control file, the control file was created using the ALTER DATABASE BACKUP CONTROLFILE TO TRACE statement, and this statement was issued when the tablespace was read-only

单选题You lost a temporary file that belongs to the default temporary tablespace in your database. From the options provided, which approach would you take to solve the problem? ()Aflash back the databaseBimport the temporary tablespace from the last exportCrestore all the data files and temporary files from the last full database backup and perform a recoveryDnot perform a recovery, but create a new temporary tablespace, make it the default temporary tablespace and then drop the old tablespace

单选题You lost the PRODSTD tablespace, which was read/write. The tablespace was read-only when the last backup was performed. How would you recover the tablespace?()A restore the tablespace from the backup; there is no need to apply the redo informationB restore the full database to recover the data up to the point when you performed the backupC restore the tablespace from the backup and then perform a recovery using the backup control fileD restore the tablespace from the backup and then recover the tablespace; all the redo information from the point when the tablespace was made read/write is applied

单选题You lost the PRODSTD tablespace, which was read-only. The tablespace was read-only when the last backup was taken. How would you recover the tablespace?()A restore the tablespace from the backup, and then perform an incomplete recoveryB restore the tablespace from the backup, and then apply all the redo informationC restore all the data files in the database, and then perform an incomplete recoveryD restore the tablespace from the backup

单选题You lost a temporary file that belongs to the default temporary tablespace in your database. From the options provided, which approach would you take to solve the problem?()A flash back the databaseB import the temporary tablespace from the last exportC restore all the data files and temporary files from the last full database backup and perform a recoveryD not perform a recovery, but create a new temporary tablespace, make it the default temporary tablespace and then drop the old tablespace