多选题Which of these are valid Flashback Database recovery point parameters?()ASCNBTimestampCNamed recovery pointDTransaction IDESession ID

题目
多选题
Which of these are valid Flashback Database recovery point parameters?()
A

SCN

B

Timestamp

C

Named recovery point

D

Transaction ID

E

Session ID


相似考题
更多“多选题Which of these are valid Flashback Database recovery point parameters?()ASCNBTimestampCNamed recovery pointDTransaction IDESession ID”相关问题
  • 第1题:

    You are maintaining the SALES database for an organization. You have enabled the Flashback Database feature and want to estimate the flashback space required for future operations.  Which view would you query to estimate the flashback space required?()

    • A、 V$DATABASE
    • B、 V$FLASHBACK_DATABASE_STAT
    • C、 V$FLASHBACK_DATABASE_LOG
    • D、 V$RECOVERY_FILE_DEST

    正确答案:B

  • 第2题:

    You have joined a new organization as a Database Administrator. The Security Administrator in your organization has kept human errors, such as erroneously dropping users, tables, and important data, to a minimum by carefully granting only the necessary privileges to each user. As a result of several ongoing transactions within your database, you discover that the flashback logs are rapidly increasing in the flash recovery area. To avoid out-of-space errors, you decide to delete the flashback logs from the flash recovery area. How can you delete the flashback logs from the database if your database is up and running?()

    • A、 Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command and disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.
    • B、 Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement while the database is up and running.
    • C、 Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command. Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement. Disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.
    • D、 Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement. Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command and disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.

    正确答案:A

  • 第3题:

    To perform a database point-in-time recovery using RMAN, after database restoration, you must ensure that the database is in which of the following states?()

    • A、OPEN
    • B、MOUNT
    • C、NOMOUNT
    • D、CLOSE

    正确答案:B

  • 第4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.

    正确答案:D

  • 第5题:

    You work as a database administrator at Certkiller .com. You are working in an online transaction processing (OLTP) environment. You realize that the salary for an employee, John, has been accidentally modified in the EMPLOYEEStable. Two days ago, the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected?()

    • A、 perform point-in-time recovery
    • B、 perform a Flashback Table operation to restore the table to the state it was in two days ago
    • C、 perform a Flashback Database operation to restore the database to the state it was in two days ago
    • D、 perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements, and then use them for recovery

    正确答案:D

  • 第6题:

    单选题
    You decide to enable Flashback Database in your Oracle 10g database so that future recoveries will take less time than traditional recoveries. Which of the following parameters must be included in your initialization parameter file before enabling Flashback Database?()
    A

     DB_RECOVERY_FILE_DEST only

    B

     DB_FLASHBACK_RETENTION_TARGET only

    C

     DB_RECOVERY_FILE_DEST_SIZE and DB_RECOVERY_FILE_DEST only

    D

     DB_RECOVERY_FILE_DEST and DB_FLASHBACK_RETENTION_TARGET only

    E

     DB_RECOVERY_FILE_DEST_SIZE, DB_RECOVERY_FILE_DEST and

    F

     DB_FLASHBACK_RETENTION_TARGET


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    You are maintaining your database in Oracle10g. On Tuesday at 8:00 A.M., while starting the database, you discover that all the control files are missing. The backup of the full database was performed on Sunday at 6:00 P.M. Which type of recovery will you perform?()
    A

     incomplete recovery

    B

     complete recovery

    C

     recovery using the Flashback Database feature

    D

     recovery using the export/import utility


    正确答案: A
    解析: 暂无解析

  • 第8题:

    单选题
    You are maintaining the SALES database for an organization. You have enabled the Flashback Database feature and want to estimate the flashback space required for future operations.  Which view would you query to estimate the flashback space required?()
    A

     V$DATABASE

    B

     V$FLASHBACK_DATABASE_STAT

    C

     V$FLASHBACK_DATABASE_LOG

    D

     V$RECOVERY_FILE_DEST


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    You executed the following command in Recovery Manager (RMAN):  RMAN> RESTORE CONTROLFILE;  Which operation must you perform before this command is executed?()
    A

     back up the control file to trace

    B

     bring database to the MOUNT state

    C

     open a connection to the RMAN recovery catalog, which contains the RMAN metadata for the target database

    D

     set the database ID (DBID), but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog


    正确答案: C
    解析: 暂无解析

  • 第10题:

    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?()
    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


    正确答案: A
    解析: 暂无解析

  • 第11题:

    多选题
    You are maintaining a database that is in ARCHIVELOG mode. You have configured the flash recovery area in your database. The database is in MOUNT EXCLUSIVE mode, and you want to configure the Flashback Database feature. Which two options are NOT required to configure the Flashback Database feature? ()
    A

    Open the database in read-only mode.

    B

    Set the retention target with the DB_FLASHBACK_RETENTION_TARGET initialization parameter.

    C

    Enable the block change tracking feature.

    D

    Execute the ALTER DATABASE FLASHBACK ON statement.


    正确答案: A,D
    解析: 暂无解析

  • 第12题:

    单选题
    Flashback Database relies on which technologies to recover to a point in time?()
    A

     Flashback Data Archive

    B

     Flashback logs in the flash recovery area

    C

     FlashbUndo tablespace

    D

     RMAN command line

    E

     None of the above


    正确答案: D
    解析: 暂无解析

  • 第13题:

    Which files will you need to perform a full recovery of a database backed up in NOARCHIVELOG mode?() 

    • A、 Database datafiles
    • B、 Control files
    • C、 Archived redo logs
    • D、 Online redo logs
    • E、 Flashback logs

    正确答案:A,B,D

  • 第14题:

    Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?()

    • A、point-in-time recovery
    • B、execute the ROLLBACK command with transaction number
    • C、flashback the database to before the transaction was committed
    • D、determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery

    正确答案:D

  • 第15题:

    Which three actions are required to configure the Flashback Database? ()

    • A、set Flash Recovery Area
    • B、enable Flashback logging
    • C、create FLASHBACK tablespace
    • D、start the database in the ARCHIVELOG mode
    • E、start the database in the NOARCHIVELOG mode

    正确答案:A,B,D

  • 第16题:

    You are maintaining your database in Oracle10g. On Tuesday at 8:00 A.M., while starting the database, you discover that all the control files are missing. The backup of the full database was performed on Sunday at 6:00 P.M. Which type of recovery will you perform?()

    • A、 incomplete recovery
    • B、 complete recovery
    • C、 recovery using the Flashback Database feature
    • D、 recovery using the export/import utility

    正确答案:A

  • 第17题:

    Which of these are valid Flashback Database recovery point parameters?() 

    • A、 SCN
    • B、 Timestamp
    • C、 Named recovery point
    • D、 Transaction ID
    • E、 Session ID

    正确答案:A,B,C

  • 第18题:

    多选题
    Which of these are valid Flashback Database recovery point parameters?()
    A

    SCN

    B

    Timestamp

    C

    Named recovery point

    D

    Transaction ID

    E

    Session ID


    正确答案: D,B
    解析: 暂无解析

  • 第19题:

    多选题
    The database is running in NOARCHIVELOG mode. A data file is lost. Which two are valid options for recover?()
    A

    Restore the data file and perform incomplete recovery.

    B

    Restore the data file and perform point-in-time recover.

    C

    Drop the tablespace and lose all data in the tablespace.

    D

    Restore the database and lose all data since the last backup.


    正确答案: D,B
    解析: 暂无解析

  • 第20题:

    多选题
    Which of the following are valid until command options when attempting point-in-time recovery in RMAN?()
    A

    until time

    B

    until change

    C

    until sequence

    D

    until SCN

    E

    until commit


    正确答案: D,A
    解析: 暂无解析

  • 第21题:

    多选题
    You decided to configure the flash recovery area in your database to centralize the storage of all the recovery files in a certain location on disk. Which two parameters will you specify in the init.ora file?()
    A

    DB_CREATE_FILE_DEST

    B

    DB_RECOVERY_FILE_DEST

    C

    DB_RECOVERY_FILE_DEST_SIZE

    D

    DB_ONLINE_LOG_DEST_n


    正确答案: B,C
    解析: 暂无解析

  • 第22题:

    单选题
    Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?()
    A

     point-in-time recovery

    B

     execute the ROLLBACK command with transaction number

    C

     flashback the database to before the transaction was committed

    D

     determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery


    正确答案: C
    解析: 暂无解析

  • 第23题:

    多选题
    Which three actions are required to configure the Flashback Database?()
    A

    set Flash Recovery Area

    B

    enable Flashback logging

    C

    create FLASHBACK tablespace

    D

    start the database in the ARCHIVELOG mode

    E

    start the database in the NOARCHIVELOG mode


    正确答案: C,A
    解析: 暂无解析

  • 第24题:

    多选题
    You are working on an Oracle Database 10g database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true? ()
    A

    Flashback logs are not archived.

    B

    Flashback logs are maintained in redo log files.

    C

    Flashback logs are maintained in the Flash Recovery Area.

    D

    Flashback logs are used to maintain Flashback Database related errors.

    E

    Flashback logs need to be cleared manually after you disable Flashback Database.


    正确答案: C,D
    解析: 暂无解析