单选题You want to configure the Flashback Database feature and retain flashback logs for three days.  Presently the database is open and configured in ARCHIVELOG mode. The following steps must be performed in the correct sequence to do this:   1. Set the ret

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单选题
You want to configure the Flashback Database feature and retain flashback logs for three days.  Presently the database is open and configured in ARCHIVELOG mode. The following steps must be performed in the correct sequence to do this:   1. Set the retention target:  SQL> ALTER SYSTEM SET DB_FLASHBACK_RETENTION_TARGET=4320;  2. Enable Flashback Database:  SQL> ALTER DATABASE FLASHBACK ON;  3. Mount the database:  SQL> STARTUP MOUNT EXCLUSIVE  4. Shutdown the instance: SQL> SHUTDOWN IMMEDIATE  5. Open the database:  SQL> ALTER DATABASE OPEN;   Choose the correct sequence.()
A

 4, 1, 3, 2, 5

B

 4, 3, 1, 2, 5

C

 2, 4, 3, 5, 1

D

 4, 2, 5, 3, 1


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更多“单选题You want to configure the Flashback Database feature and retain flashback logs for three days.  Presently the database is open and configured in ARCHIVELOG mode. The following steps must be performed in the correct sequence to do this:   1. Set the ret”相关问题
  • 第1题:

    You want to use the Flashback Transaction Query feature to identify all the changes made to your database within a specific time period. What is a prerequisite for using the Flashback Transaction Query feature?()

    • A、 You must use automatic undo management in the database.
    • B、 You must configure OMF in your database.
    • C、 You must configure ASM for storing the datafiles.
    • D、 You must multiplex the online redo log file.

    正确答案:A

  • 第2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3题:

    The database is currently running in the NOARCHIVELOG mode. What would be the first step to configure Flashback Database?()

    • A、 Enable flashback logging.
    • B、 Start the database in the ARCHIVELOG mode.
    • C、 Issue the ALTER DATABASE FLASHBACK ON; command.
    • D、 Set the FAST_START_MTTR_TARGET initialization parameter.

    正确答案:A

  • 第4题:

    You are managing a single instance Oracle 10g database that utilizes the following parameters:  Which of the following set of commands must you execute to enable Flashback Database?()

    • A、  STARTUP MOUNT EXCLUSIVE  ALTER DATABASE FLASHBACK ON;  ALTER DATABASE OPEN;
    • B、  STARTUP MOUNT  ALTER DATABASE FLASHBACK ON;  ALTER DATABASE OPEN RESETLOGS;
    • C、  STARTUP MOUNT EXCLUSIVE  ATLER DATABASE ARCHIVELOG;  ALTER DATABASE FLASHBACK ON;  ALTER DATABASE OPEN RESETLOGS;
    • D、  STARTUP MOUNT  ALTER DATABASE ARCHIVELOG;  ALTER DATABASE FLASHBACK ON;  ALTER DATABASE OPEN;

    正确答案:D

  • 第5题:

    You are performing flashback of the ORDERS table in the Scott’s schema because some important data is deleted in the table by mistake. The SCN number was 771513 at the time of deletion. You issued the following statement to perform Flashback Table:  SQL> FLASHBACK TABLE ORDERS TO SCN 771513;   What is the prerequisite to perform Flashback Table?()

    • A、 You must configure OMF in your database.
    • B、 You must enable block change tracking feature in your database.
    • C、 You must enable ROW MOVEMENT feature on the ORDERS table.
    • D、 You must use the Flashback Version Query before using the Flashback Table feature.

    正确答案:C

  • 第6题:

    单选题
    You are working on an Oracle Database 10g database that operates in the ARCHIVELOG mode. At 06:00 p.m., you discovered that a table in the SYSTEM tablespace that does not belong to the data dictionary was dropped at 03:00 p.m. What would you do to recover the table?()
    A

     use the Flashback Transaction Query feature to identify the relevant SQL statement and use it to undrop the table

    B

     restore the entire database from the most recent backup and open it

    C

     recover the table by using the Flashback Table feature

    D

     perform point-in-time recovery to recover the table


    正确答案: B
    解析: 暂无解析

  • 第7题:

    单选题
    You want to use the Flashback Transaction Query feature to identify all the changes made to your database within a specific time period. What is a prerequisite for using the Flashback Transaction Query feature?()
    A

     You must use automatic undo management in the database.

    B

     You must configure OMF in your database.

    C

     You must configure ASM for storing the datafiles.

    D

     You must multiplex the online redo log file.


    正确答案: C
    解析: 暂无解析

  • 第8题:

    单选题
    You disabled the Flashback Database feature by using the following command:  SQL> ALTER DATABASE FLASHBACK OFF;  What would be the effect of this command on the existing flashback logs?()
    A

     Flashback logs are not deleted.

    B

     Flashback logs are deleted automatically.

    C

     Flashback logs are deleted only if you are using Recovery Manager (RMAN)

    D

     Flashback logs are deleted only if you are using Oracle Manager Files (OFM)

    E

     Flashback logs are deleted only if you are using Automatic Storage Management (ASM)


    正确答案: E
    解析: 暂无解析

  • 第9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10题:

    单选题
    You want to enable archiving on your database. Presently, the database is running inNOARCHIVELOG mode. Given below are the steps to accomplish the task in random order:  1:Shut down the instance.  2:Execute the ALTER DATABASE ARCHIVELOG command.  3:Start up the instance and mount the database.  4:Set the DB_RECOVERY_FILE_DEST initialization parameter to $ORACLE_HOME/dest_1. 5: Open the database.  Which is the correct sequence of steps for accomplishing the task()
    A

    4,1,3,2,5

    B

    1,3,4,5,2

    C

    1,3,2,5;4 not required

    D

    4,1,5,2;3 not required

    E

    1,3,4,5;2 not required


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    You disabled the Flashback Database feature by using the following command:  SQL> ALTER DATABASE FLASHBACK OFF;  What would be the effect of this command on the existing flashback logs?()
    A

    Flashback logs are not deleted.

    B

    Flashback logs are deleted automatically.

    C

    Flashback logs are deleted only if you are using Recovery Manager (RMAN).

    D

    Flashback logs are deleted only if you are using Oracle Managed Files (OMF).

    E

    Flashback logs are deleted only if you are using Automatic Storage Management (ASM).


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    You want to configure the Flashback Database feature and retain flashback logs for three days.  Presently the database is open and configured in ARCHIVELOG mode. The following steps must be performed in the correct sequence to do this:   1. Set the retention target:  SQL> ALTER SYSTEM SET DB_FLASHBACK_RETENTION_TARGET=4320;  2. Enable Flashback Database:  SQL> ALTER DATABASE FLASHBACK ON;  3. Mount the database:  SQL> STARTUP MOUNT EXCLUSIVE  4. Shutdown the instance: SQL> SHUTDOWN IMMEDIATE  5. Open the database:  SQL> ALTER DATABASE OPEN;   Choose the correct sequence.()
    A

     4, 1, 3, 2, 5

    B

     4, 3, 1, 2, 5

    C

     2, 4, 3, 5, 1

    D

     4, 2, 5, 3, 1


    正确答案: D
    解析: 暂无解析

  • 第13题:

    Your Oracle Database 10g is online when you execute the following statement:        SQL>ALTER TABLESPACE MY_TABLESPACE FLASHBACK OFF;   What is the result of executing this statement if the Flashback Database feature is already enabled in the database?()

    • A、 The database does not record flashback logs for MY_TABLESPACE
    • B、 The tables residing in MY_TABLESPACE are not protected by the Recycle Bin.
    • C、 All the tablespaces except MY_TABLESPACE can be recovered using Flashback Database feature.
    • D、 None of the flashback technologies, such as Flashback Table, Flashback Transaction Query and Flashback Version Query can be used to recover individual rows within the objects from MY_TABLESPACE

    正确答案:A

  • 第14题:

    You disabled the Flashback Database feature by using the following command:  SQL> ALTER DATABASE FLASHBACK OFF;  What would be the effect of this command on the existing flashback logs?()

    • A、 Flashback logs are not deleted.
    • B、 Flashback logs are deleted automatically.
    • C、 Flashback logs are deleted only if you are using Recovery Manager (RMAN)
    • D、 Flashback logs are deleted only if you are using Oracle Manager Files (OFM)
    • E、 Flashback logs are deleted only if you are using Automatic Storage Management (ASM)

    正确答案:B

  • 第15题:

    You want to enable archiving on your database. Presently, the database is running inNOARCHIVELOG mode. Given below are the steps to accomplish the task in random order:  1:Shut down the instance.  2:Execute the ALTER DATABASE ARCHIVELOG command.  3:Start up the instance and mount the database.  4:Set the DB_RECOVERY_FILE_DEST initialization parameter to $ORACLE_HOME/dest_1. 5: Open the database.  Which is the correct sequence of steps for accomplishing the task()

    • A、4,1,3,2,5
    • B、1,3,4,5,2
    • C、1,3,2,5;4 not required
    • D、4,1,5,2;3 not required
    • E、1,3,4,5;2 not required

    正确答案:C

  • 第16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17题:

    You are working on an Oracle Database 10g database that operates in the ARCHIVELOG mode. At 06:00 p.m., you discovered that a table in the SYSTEM tablespace that does not belong to the data dictionary was dropped at 03:00 p.m. What would you do to recover the table?()

    • A、 use the Flashback Transaction Query feature to identify the relevant SQL statement and use it to undrop the table
    • B、 restore the entire database from the most recent backup and open it
    • C、 recover the table by using the Flashback Table feature
    • D、 perform point-in-time recovery to recover the table

    正确答案:D

  • 第18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19题:

    单选题
    The database is currently running in the NOARCHIVELOG mode. What would be the first step to configure Flashback Database?()
    A

     Enable flashback logging.

    B

     Start the database in the ARCHIVELOG mode.

    C

     Issue the ALTER DATABASE FLASHBACK ON; command.

    D

     Set the FAST_START_MTTR_TARGET initialization parameter.


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    You are performing flashback of the ORDERS table in the Scott’s schema because some important data is deleted in the table by mistake. The SCN number was 771513 at the time of deletion. You issued the following statement to perform Flashback Table:  SQL> FLASHBACK TABLE ORDERS TO SCN 771513;   What is the prerequisite to perform Flashback Table?()
    A

     You must configure OMF in your database.

    B

     You must enable block change tracking feature in your database.

    C

     You must enable ROW MOVEMENT feature on the ORDERS table.

    D

     You must use the Flashback Version Query before using the Flashback Table feature.


    正确答案: B
    解析: 暂无解析

  • 第21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22题:

    单选题
    You want to configure the Flashback Database feature and retain flashback logs for three days. Presently the database is open and configured in ARCHIVELOG mode.The following steps must be performed in the correct sequence to do this: Choose the correct sequence.()
    A

    4, 1, 3, 2, 5

    B

    4, 3, 1, 2, 5

    C

    2, 4, 3, 5, 1

    D

    4, 2, 5, 3, 1


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    You are managing a single instance Oracle 10g database that utilizes the following parameters:  Which of the following set of commands must you execute to enable Flashback Database?()
    A

      STARTUP MOUNT EXCLUSIVE  ALTER DATABASE FLASHBACK ON;  ALTER DATABASE OPEN;

    B

      STARTUP MOUNT  ALTER DATABASE FLASHBACK ON;  ALTER DATABASE OPEN RESETLOGS;

    C

      STARTUP MOUNT EXCLUSIVE  ATLER DATABASE ARCHIVELOG;  ALTER DATABASE FLASHBACK ON;  ALTER DATABASE OPEN RESETLOGS;

    D

      STARTUP MOUNT  ALTER DATABASE ARCHIVELOG;  ALTER DATABASE FLASHBACK ON;  ALTER DATABASE OPEN;


    正确答案: 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