单选题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？

题目
单选题
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

相似考题

1.You are in the process of creating a virtual private catalog in your Oracle Database 11g database. The PROD1, PROD2, and PROD3 Oracle Database 10g databases are registered in the base recovery catalog. The database user who owns the base recovery catalog is CATOWNER. CATOWNER executes the following command to grant privileges to a new user VPC1 using Oracle Database 11g RMAN executables:What is the outcome of the above commands?（）A. They execute and create a virtual catalog for pre-Oracle 11g clients.B. They produce an error because PROD1 and PROD2 databases belong to the older version.C. They produce an error because you need to connect as CATOWNER to execute this packaged procedure.D. They produce an error because you need to connect to the target database to execute this packaged procedure.

2.You work as a database administrator for Certkiller .com. You want to administer your database servers，which are running on different host machines，using the Web-enabled grid control interface. You have configured the agent on the host machines. You have started the Oracle Database 10g Grid Control utility on your machine. Which two additional components would you configure to achieve this objective？（）A、Application Server ControlB、Oracle Management ServiceC、Oracle Enterprise Manager RepositoryD、Oracle Enterprise Manager Database Control

3. 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_TABLESPACEB、 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

4. You are the Database Administrator （DBA） of your company. You execute the following statement on an Oracle 10g instance：   SQL> ALTER SYSTEM SWITCH LOGFILE；   Which two tasks are performed when the statement is executed？ （）A、 The DBWn process writes to the datafile.B、 Changes in the background process are recorded.C、 The log file is updated with the current SCN number.D、 The System Change Number （SCN） is recorded in the control file.E、 The changes to the listener configuration in the listener.ora file are recorded.

参考答案和解析
正确答案： B
解析： 暂无解析
更多“Your Oracle Database 10g is online when you execute the foll”相关问题

  • 第1题：

    You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）

    • A、A backup of the target database when it is mounted
    • B、A backup of online redo log files when the database is open
    • C、A backup of only used data blocks in the file beingbeingbackup up
    • D、A backup of online， read/write data files when the database is open
    • E、A backup of only those data blocks that have changed since a previous backup
    • F、A backup of online， read/write data files when the database is in the NOMOUNT state.

    正确答案:A,C,D,E

  • 第2题：

    You work as a database administrator for Supportcenter.cn. In your Oracle database 10g installation you have set ORACLE_BASE to /u01/app/oracle. Which objective will be achieved by this setting？（）

    • A、The Oracle kernel will be placed in this location.
    • B、The Oracle software will be placed in this location.
    • C、The server parameter file （SPFILE） will be placed in this location.
    • D、The database files will be placed in this location， if not specified explicitly.
    • E、The location will be considered for the base of Oracle Managed Files （OMF）.
    • F、The location will be considered for the base of Optimal Flexible Architecture （OFA）.

    正确答案:F

  • 第3题：

    If you create your database using Oracle Managed Files （OMF）， what is true？（）

    • A、You must use Oracle predefined names to identify raw partitions that will hold OMF structures. 
    • B、You must define directories for two online redo log groups and three copies of the control file. 
    • C、If your CREATE DATABASE command fails, any OMF database files that have already been created will be dropped automatically. 
    • D、You must use only OMF data files when adding new tablespaces or data files to your database in the future.

    正确答案:D

  • 第4题：

    As soon as you discover that you have lost an online redo log， if the database is still functioning， what should be your first action？（）  

    • A、 Shut down the database
    • B、 Clear the online redo log
    • C、 Back up the database
    • D、 Checkpoint the database
    • E、 Call Oracle support

    正确答案:D

  • 第5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6题：

    You are managing the Oracle database. Which of the following choices correctly identifies when Oracle reads the contents of the init.ora file?（）

    • A、When the instance is started 
    • B、When the database is mounted 
    • C、When the database is opened 
    • D、When the database is closed

    正确答案:A

  • 第7题：

    多选题
    You can use Oracle Flashback to look at past activity in your database. What are two other characteristics of Oracle Flashback？（）
    A

    Oracle Flashback uses undo information to construct consistent data.

    B

    You can use a cursor opened while using an Oracle Flashback image to perform DML once you deactivate Oracle Flashback in your session.

    C

    You can only use Oracle Flashback view of the data if the required records are still in the online redo log files.

    D

    Oracle Flashback lists the DML that was executed during the period you identify when initiating your session.


    正确答案： D,C
    解析： 暂无解析

  • 第8题：

    单选题
    If you create your database using Oracle Managed Files （OMF）， what is true？（）
    A

    You must use Oracle predefined names to identify raw partitions that will hold OMF structures. 

    B

    You must define directories for two online redo log groups and three copies of the control file. 

    C

    If your CREATE DATABASE command fails, any OMF database files that have already been created will be dropped automatically. 

    D

    You must use only OMF data files when adding new tablespaces or data files to your database in the future.


    正确答案： C
    解析： 暂无解析

  • 第9题：

    多选题
    You are the Database Administrator （DBA） of your company. You execute the following statement on an Oracle 10g instance：   SQL> ALTER SYSTEM SWITCH LOGFILE；   Which two tasks are performed when the statement is executed？ （）
    A

    The DBWn process writes to the datafile.

    B

    Changes in the background process are recorded.

    C

    The log file is updated with the current SCN number.

    D

    The System Change Number （SCN） is recorded in the control file.

    E

    The changes to the listener configuration in the listener.ora file are recorded.


    正确答案： E,C
    解析： 暂无解析

  • 第10题：

    单选题
    You have recovered your Oracle Database 10g by using the control file backup because all copies of the current control file have been lost due to a media failure. You open your database by using the following statement：       SQL>ALTER DATABASE OPEN RESETLOGS；   Which of the following options is true about using the RESETLOGS option？（）
    A

     The log sequence is reset to 0.

    B

     All the online redo logs are deleted.

    C

     All the archived redo logs from a previous incarnation become useless.

    D

     The full database backup taken from a previous incarnation can be used in future.

    E

     Only the control file and online redo log files are updated with a new RESETLOGS SCN and time stamp.


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    You are maintaining your database in Oracle10g. You have set the value of the STATISTICS_LEVEL initialization parameter to TYPICAL and the value of the FAST_START_MTTR_TARGET parameter to 900 seconds. To increase the performance of the database， you want to determine the optimal size of the online redo log files. Which tool enables you to determine the optimal size of the online redo log files？（）
    A

     Oracle Enterprise Manager

    B

     The V$LOG view

    C

     The V$LOGFILE view

    D

     The V$FLASHBACK_DATABASE_LOGS view


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    As soon as you discover that you have lost an online redo log， if the database is still functioning， what should be your first action？（）
    A

     Shut down the database

    B

     Clear the online redo log

    C

     Back up the database

    D

     Checkpoint the database

    E

     Call Oracle support


    正确答案： A
    解析： 暂无解析

  • 第13题：

    You have recovered your Oracle Database 10g by using the control file backup because all copies of the current control file have been lost due to a media failure. You open your database by using the following statement：       SQL>ALTER DATABASE OPEN RESETLOGS；   Which of the following options is true about using the RESETLOGS option？（）

    • A、 The log sequence is reset to 0.
    • B、 All the online redo logs are deleted.
    • C、 All the archived redo logs from a previous incarnation become useless.
    • D、 The full database backup taken from a previous incarnation can be used in future.
    • E、 Only the control file and online redo log files are updated with a new RESETLOGS SCN and time stamp.

    正确答案:D

  • 第14题：

    You want to administer your PROD database from a remote host machine using a Web-enabled interface. Which Oracle tool would you use to accomplish this task efficiently without using command-line interfaces？（）

    • A、SQL*Plus
    • B、iSQL*Plus
    • C、Management Server
    • D、Management Repository
    • E、Oracle Enterprise Manager 10g Database Control

    正确答案:E

  • 第15题：

    You can use Oracle Flashback to look at past activity in your database. What are two other characteristics of Oracle Flashback？（）

    • A、Oracle Flashback uses undo information to construct consistent data. 
    • B、You can use a cursor opened while using an Oracle Flashback image to perform DML once you deactivate Oracle Flashback in your session. 
    • C、You can only use Oracle Flashback view of the data if the required records are still in the online redo log files. 
    • D、Oracle Flashback lists the DML that was executed during the period you identify when initiating your session. 

    正确答案:A,B

  • 第16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 files
    • B、 alert log files
    • C、 control file
    • D、 datafiles associated with the SYSTEM tablespace

    正确答案:C

  • 第17题：

    You have lost all your database control files. To recover them， you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact.  Which of the following is true regarding your recovery？（）  

    • A、 You will need to open the database with the resetlogs command.
    • B、 All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.
    • C、 You will use the resetlogs version of the create controlfile command.
    • D、 You will use the noresetlogs version of the create controlfile command.
    • E、 You will use the trace file to create a backup control file， and then you will recover the database with the recover database using backup controlfile command

    正确答案:D

  • 第18题：

    单选题
    Another DBA issues a shutdown abort command on a database on which you were running an online backup. What will happen when you try to restart the database？（）
    A

     Oracle will automatically take the datafile out of hot backup mode，generate a warning message，and then open the database.

    B

     Oracle will automatically take the datafile out of hot backup mode and then open the database.

    C

     Oracle will generate an error when trying to open the database，indicating that a datafile is in hot backup mode.You will need to correct this error before you can open the database.

    D

     The database will open with the file in hot backup mode. You can restart the backup at any time.

    E

     The datafile in hot backup mode will be corrupted and you will have to recover it.


    正确答案： C
    解析： 暂无解析

  • 第19题：

    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 files

    B

     alert log files

    C

     control file

    D

     datafiles associated with the SYSTEM tablespace


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    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
    解析： 暂无解析

  • 第21题：

    多选题
    You work as a database administrator for Certkiller .com. You are using Recovery Manager （RMAN） to perform backups in your databases.  Which four backup operations can be performed using RMAN？（）
    A

    A backup of the target database when it is mounted

    B

    A backup of online redo log files when the database is open

    C

    A backup of only used data blocks in the file beingbeingbackup up

    D

    A backup of online， read/write data files when the database is open

    E

    A backup of only those data blocks that have changed since a previous backup

    F

    A backup of online， read/write data files when the database is in the NOMOUNT state.


    正确答案： A,C,D,E
    解析： 暂无解析

  • 第22题：

    多选题
    Identify four uses of the Oracle Scheduler.（）
    A

    enables Oracle database to schedule which processes execute on which processors in a multiple CPU environment

    B

    enables Oracle database to do patches according to a DBA-defined schedule

    C

    enables you to schedule the execution of jobs based on time

    D

    enables you to execute jobs in a clustered environment

    E

    enables you to periodically execute operating systemscript files located on the same server as the database

    F

    enables you to create a job that makes use of saved programs and schedules

    G

    enables you to automate the management of the jobs that are created using the DBMS_JOB package


    正确答案： A,C
    解析： 暂无解析

  • 第23题：

    单选题
    You have lost all your database control files. To recover them， you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact.  Which of the following is true regarding your recovery？（）
    A

     You will need to open the database with the resetlogs command.

    B

     All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.

    C

     You will use the resetlogs version of the create controlfile command.

    D

     You will use the noresetlogs version of the create controlfile command.

    E

     You will use the trace file to create a backup control file， and then you will recover the database with the recover database using backup controlfile command


    正确答案： E
    解析： 暂无解析

  • 第24题：

    多选题
    You work as a database administrator for Supportcenter.cn. Your database is in the MOUNT state and you execute the following command to open it ALTER DATABASE OPEN； What two actions are performed as a result of this command？（）
    A

    All control files are opened

    B

    All redo files are opened

    C

    The password file is opened

    D

    The parameter file is opened

    E

    All online data files are opened


    正确答案： D,C
    解析： 暂无解析

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