To accomplish user-managed backup for the USERS tablespace, you issued the following command to put the database in backup mode: SQL ALTER TABLESPACE users BEGIN BACKUP; While copying the file to the backup destination a power outage caused the instance to terminate abnormally. Which statement is true about the next database startup and the USERS tablespace?()A、The database will open, and the tablespace automatically comes out of the backup modeB、The database will be mounted, and recovery must be performed on the USERS tablespace.C、The database will be mounted, and data files in the USERS tablespace must be taken out of the backup mode.D、The database will not be mounted, and you must restore all the data files for the USERS tablespace from the backup, and perform recovery.
To accomplish user-managed backup for the USERS tablespace, you issued the following command to put the database in backup mode: SQL> ALTER TABLESPACE users BEGIN BACKUP; While copying the file to the backup destination a power outage caused the instance to terminate abnormally. Which statement is true about the next database startup and the USERS tablespace?()
- A、The database will open, and the tablespace automatically comes out of the backup mode
- B、The database will be mounted, and recovery must be performed on the USERS tablespace.
- C、The database will be mounted, and data files in the USERS tablespace must be taken out of the backup mode.
- D、The database will not be mounted, and you must restore all the data files for the USERS tablespace from the backup, and perform recovery.
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You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN).To accomplish the backup, you issued the following RMAN command:RMAN BACKUP SECTION SIZE 300M TABLESPACE users;Which two statements are true about the execution of the above command? ()(Choose two.)A. The backup piece size will be limited to 300 MBB. The RMAN uses multiplexing to perform backupC. The operation is accomplished using the default channel availableD. The RMAN parallelizes the backup although the parallelism is not set for a channel
You executed the following command to perform a backup of the USERS tablespace: SQL ALTER TABLESPACE users BEGIN BACKUP; ALTER TABLESPACE users BEGIN BACKUP * ERROR at line 1: ORA-01123: cannot start online backup; media recovery not enabled What could be the reason for this error()A、The MTTR Advisor is disabled.B、The database is in NOARCHIVELOG mode.C、The tablespace is already in backup mode.D、The Flash Recovery Area is not configured.
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
Your database is running in ARCHIVELOG mode. One of the data files,USERDATA01.dbf, in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available. Which three files would be used in the user-managed recovery process performed by the database administrator (DBA)?()A、Redo logsB、Control fileC、The latest backup of only the damaged data fileD、The latest backup of all the data file in the USERS tablespaceE、Temporary files of temporary tablespaceF、Archive Logs since the latest backup to point of failure
To accomplish user-managed backup for the USERS tablespace, you issued the following command to put the database in backup mode: SQL ALTER TABLESPACE users BEGIN BACKUP; While copying the file to the backup destination a power outage caused the instance to te minate abnormally. Which statement is true about the next database startup and the USERS tablespace?() A、 The database will open,and the tablespace automatically comes out of the backup mode.B、 The database will be mounted,and recovery must be performed on the USERS tablespace.C、 The database will be mounted,and data files in the USERS tablespace must be taken out of the backup mode.D、 The database will not be mounted,and you must restore all the data files for the USERS tablespace from the backup,and perform recovery.
Your database is running In ARCIIIVELOG mode. One of the data files, USBRDATAOI. DBF, in the users tablespace is damaged and you need to recover the file until the point of failure. The backup for the data file is available. Which three files would be used in the user-managed recovery process performed by the database administrator (DBA)?() A、 redo logsB、 control fileC、 temporary files of temporary tablespaceD、 the latest backup of only the damaged data fileE、 the latest backup of all the data files In the USERS tablespace
Your database is running in ARCHIVELOG mode. You are performing a user-managed backup of the DATA1 tablespace. You place the DATA1 tablespace in backup mode by issuing the following statement: ALTER TABLESPACE data1 BEGIN BACKUP; While you are performing the backup, an error occurs that causes the instance to terminate abnormally. Which statement about the DATA1 tablespace is true?() A、 The DATA1 tablespace is automatically taken out of backup mode when the instance aborts.B、 If you restart the database,the DATA1 tablespace will be automatically taken out of backup mode when the database is opened.C、 If you restart the database,the DATA1 tablespace will be automatically taken out of backup mode when the database is mounted.D、 If you restart the database,the database will not be opened.
You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? ()(Choose two.)A、The backup piece size will be limited to 300 MBB、The RMAN uses multiplexing to perform backupC、The operation is accomplished using the default channel availableD、The RMAN parallelizes the backup although the parallelism is not set for a channel
Which of the following is a valid way of putting a tablespace named DAVE_TBS into hot backup mode?() A、 alter tablespace DAVE_TBS backup modeB、 alter tablespace DAVE_TBS start backupC、 alter tablespace DAVE_TBS begin backupD、 alter tablespace DAVE_TBS backup beginE、 alter tablespace DAVE_TBS backup
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 want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for the RMAN. To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true regarding the execution of the above command?()A、 The RMAN parallelizes the backup although the parallelism is not set for a channel.B、 The backup piece size will be limited to 300 MB.C、 The operation is accomplished using the default channel available.D、 Three channels for the tape drive must be configured by setting the parallelism to three.
You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday, you issued the following commands: CONFIGURE DEFAULT DEVICE TYPE TO sbt; CONFIGURE BACKUP OPTIMIZATION ON; CONFIGURE RETENTION POLICY TO REDUNDANCY 3; From Monday to Saturday, you performed the following actions: Day Action Monday BACKUP DATABASE Tuesday BACKUP DATABASE Wednesday BACKUP DATABASE Thursday BACKUP DATABASE Friday BACKUP DATABASE Saturday BACKUP DATABASE How many times will the backup of the USERS tablespace be performed?()A、 The backup will not be performed at all.B、 three timesC、 four timesD、 six times
You executed the following command in Recovery Manager (RMAN) to perform a backup of the DETTBS tablespace: RMAN BACKUP TABLESPACE DETTBS; Under which conditions would this command execute successfully? ()A、 The database is in NOMOUNT state.B、 The database is in NOARCHIVELOG mode and the tablespace is online.C、 The database is in NOARCHIVELOG mode and the tablespace is offline.D、 The database is in ARCHIVELOG mode and the tablespace is offline.E、 The database is in ARCHIVELOG mode and the tablespace is online.
You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB. You have tape drives of 300 MB each. To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Identify the appropriate configuration to accomplish faster and optimized backups using the above command.()A、The SBT channel must be configured, with the MAXPIECESIZE set to 300 mb.B、The SBT channel must be configured, with the parallelism setting for the SBT devices set to 3.C、The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0.D、The SBT channel must be configured, with the default parallelism setting for the SBT devices set to 1
Which of the following is a valid way of putting a tablespace named DAVE_TBS into hot backup mode?()A、alter tablespace DAVE_TBS backup modeB、alter tablespace DAVE_TBS start backup C、alter tablespace DAVE_TBS begin backup D、alter tablespace DAVE_TBS backup begin E、alter tablespace DAVE_TBS backup
The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace.To accomplish the task, you issued the following command: SQL ALTER TABLESPACE hi_data BEGIN BACKUP; Which two statements are true in this scenario? ()A、No transaction on the tablespace is allowed but you can perform queries.B、The tablespace will automatically come out of backup mode when the file copy is complete.C、The checkpoint change number is frozen in headers of the data files until the file is removed from backup mode.D、The database writes the before image of an entire block to the redo stream before modifying. block tor the first time.
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.
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
You want to put a specific tablespace called MY_DATA in hot backup mode so you can back it up. What command would you use?() A、 alter tablespace MY_DATA begin backupB、 alter tablespace MY_DATA start backupC、 alter tablespace MY_DATA backup beginD、 alter MY_DATA begin backupE、 You cannot back up individual tablespaces
单选题To accomplish user-managed backup for the USERS tablespace, you issued the following command to put the database in backup mode: SQL ALTER TABLESPACE users BEGIN BACKUP; While copying the file to the backup destination a power outage caused the instance to terminate abnormally. Which statement is true about the next database startup and the USERS tablespace?()AThe database will open, and the tablespace automatically comes out of the backup modeBThe database will be mounted, and recovery must be performed on the USERS tablespace.CThe database will be mounted, and data files in the USERS tablespace must be taken out of the backup mode.DThe database will not be mounted, and you must restore all the data files for the USERS tablespace from the backup, and perform recovery.
单选题Your database is running in ARCHIVELOG mode. You are performing a user-managed backup of the DATA1 tablespace. You place the DATA1 tablespace in backup mode by issuing the following statement: ALTER TABLESPACE data1 BEGIN BACKUP; While you are performing the backup, an error occurs that causes the instance to terminate abnormally. Which statement about the DATA1 tablespace is true?()AThe DATA1 tablespace is automatically taken out of backup mode when the instance aborts.BIf you restart the database, the DATA1 tablespace will be automatically taken out of backup mode when the database is opened.CIf you restart the database, the DATA1 tablespace will be automatically taken out of backup mode when the database is mounted.DIf you restart the database, the database will not be opened.
单选题You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday, you issued the following commands: CONFIGURE DEFAULT DEVICE TYPE TO sbt; CONFIGURE BACKUP OPTIMIZATION ON; CONFIGURE RETENTION POLICY TO REDUNDANCY 3; From Monday to Saturday, you performed the following actions: Day Action Monday BACKUP DATABASE Tuesday BACKUP DATABASE Wednesday BACKUP DATABASE Thursday BACKUP DATABASE Friday BACKUP DATABASE Saturday BACKUP DATABASE How many times will the backup of the USERS tablespace be performed?()A The backup will not be performed at all.B three timesC four timesD six times
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
多选题You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for the RMAN. To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true regarding the execution of the above command?()AThe RMAN parallelizes the backup although the parallelism is not set for a channel.BThe backup piece size will be limited to 300 MB.CThe operation is accomplished using the default channel available.DThree channels for the tape drive must be configured by setting the parallelism to three.
单选题You executed the following command to perform a backup of the USERS tablespace: SQL ALTER TABLESPACE users BEGIN BACKUP; ALTER TABLESPACE users BEGIN BACKUP * ERROR at line 1: ORA-01123: cannot start online backup; media recovery not enabled What could be the reason for this error()AThe MTTR Advisor is disabled.BThe database is in NOARCHIVELOG mode.CThe tablespace is already in backup mode.DThe Flash Recovery Area is not configured.
单选题Which of the following is a valid way of putting a tablespace named DAVE_TBS into hot backup mode?()A alter tablespace DAVE_TBS backup modeB alter tablespace DAVE_TBS start backupC alter tablespace DAVE_TBS begin backupD alter tablespace DAVE_TBS backup beginE alter tablespace DAVE_TBS backup
多选题Your database is running In ARCIIIVELOG mode. One of the data files, USBRDATAOI. DBF, in the users tablespace is damaged and you need to recover the file until the point of failure. The backup for the data file is available. Which three files would be used in the user-managed recovery process performed by the database administrator (DBA)?()Aredo logsBcontrol fileCtemporary files of temporary tablespaceDthe latest backup of only the damaged data fileEthe latest backup of all the data files In the USERS tablespace