niusouti.com

单选题The loss of the control file forced you to re-create the control file. After re-creating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five-digit number starting with 0. What could be the 

题目
单选题
The loss of the control file forced you to re-create the control file. After re-creating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five-digit number starting with 0. What could be the possible reason？（）
A

 These are the data files that are corrupted.

B

 There is no SYSAUX tablespace in your database

C

 There is a read-only tablespace in your database.

D

 These are the data files that cannot be recovered.

相似考题

1.What methods are available to recover lost control files？（） A、 Backup control file.B、 Emergency control file.C、 The create controlfile command.D、 The restore controlfile SQL*Plus command.E、 No backup is required. The database will re-create the control file when it is discovered to be lost.

2. You are a Database Administrator with WonderWeb. You use a password file to establish connections to the Sales database located on the server. You created the password file using the following command：        ORAPWD file=d：/oracle/ora9i/orapwU01 password=admin entries=4   You erroneously deleted the password file while the database was running. You re-create the password file using the following command：   ORAPWD file=d：/oracle/ora9i/orapwU01 password=change_on_install entries=4   However， when you try to connect as the SYS user， you receive the following error：        ORA-01031： insufficient privileges   What should you do to resolve this error？（）A、 Delete the newly created password file and re-create another password file with the password admin， without shutting down the database.B、 Enable the operating system authentication， shut down the database， disable the operating system authentication， and restart the database using the password file.C、 Enable the operating system authentication， shut down the database， re-create the password file using the same ORAPWD command， and restart the database using the password file.D、 Delete the newly created password file， enable operating system authentication and shut down the database. Then， re-create another password file using the same ORAPWD command and restart the database using this password file.

3.You executed the following command to back up the control file： ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What do you find in the trace file？（）A、Image of the control fileB、Location of the control fileC、Contents of the control file in text formatD、SQL command to re-create the databaseE、SQL command to re-create the control fileF、Contents of the control file in binary format

4. You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE；  What does the statement generate？（）A、A text copy of the control file.B、A binary copy of the control file.C、A file containing a SQL statement which will re-create the database.D、A file containing a SQL statement which will re-create the control file.

参考答案和解析
正确答案： A
解析： 暂无解析
更多“The loss of the control file forced you to re-create the con”相关问题

  • 第1题：

    You are connected to Recovery Manager （RMAN） without a recovery catalog. There is no copy of the control file available. You want to restore the control file from an autobackup. To retrieve the autobackup， you need the database ID （DBID）. In which two sources would you find the DBID？ （）

    • A、 the alert log file
    • B、 the server parameter file
    • C、 the formatted name of a control file autobackup
    • D、 an RMAN session log file
    • E、 the trace file

    正确答案:C,D

  • 第2题：

    You are connected to Recovery Manager （RMAN） without a recovery catalog. There is no copy of the control file available. You want to restore the control file from an autobackup. To retrieve the autobackup，you need the database ID （DBID）.  In which two sources would you find the DBID？ （）

    • A、the trace file
    • B、the alert log file
    • C、an RMAN session log file
    • D、the server parameter file
    • E、the formatted name of a control file autobackup

    正确答案:C,E

  • 第3题：

    You work as a database administrator for Supportcenter.cn. You added atablespaceto your database. Because of the changes to the physical structure of your database， you performed a backup of the control file to trace. After this， you lost only the control files and the instance aborted due to a hardware failure. How would you proceed to recover the database？（）

    • A、Start the instance and open the database， instance recovery automatically recoverscontrol files
    • B、Create a file based on the contents of the trace file and save it to the control file locations and start the database
    • C、Re-create the database （The recovery of the control file is not possible because you have lost all the control files.）
    • D、Start the instance， in the NOMOUNTstate，re-create the control file using the CREATE CONTROLFILE command stored in the trace file.
    • E、Start the instance and MOUNT the database， then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.

    正确答案:D

  • 第4题：

    You work as a database administrator for Certkiller .com. You added atablespaceto your database. Because of the changes to the physical structure of your database， you performed a backup of the control file to trace. After this， you lost only the control files and the instance aborted due to a hardware failure.  How would you proceed to recover the database？（）

    • A、Start the instance and open the database, instance recovery automatically recovers control files 
    • B、Create a file based on the contents of the trace file and save it to the control file locations and start the database 
    • C、Re-create the database (The recovery of the control file is not possible because you have lost all the control files.) 
    • D、Start the instance, in the NOMOUNTstate,re-create the control file using the CREATE CONTROLFILE command stored in the trace file. 
    • E、Start the instance and MOUNT the database, then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.

    正确答案:D

  • 第5题：

    单选题
    You work as a database administrator for Certkiller .com. You added atablespaceto your database. Because of the changes to the physical structure of your database， you performed a backup of the control file to trace. After this， you lost only the control files and the instance aborted due to a hardware failure.  How would you proceed to recover the database？（）
    A

    Start the instance and open the database, instance recovery automatically recovers control files 

    B

    Create a file based on the contents of the trace file and save it to the control file locations and start the database 

    C

    Re-create the database (The recovery of the control file is not possible because you have lost all the control files.) 

    D

    Start the instance, in the NOMOUNTstate,re-create the control file using the CREATE CONTROLFILE command stored in the trace file. 

    E

    Start the instance and MOUNT the database, then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.


    正确答案： E
    解析： 暂无解析

  • 第6题：

    多选题
    Your multitenant container database (CDB) contains three pluggable database (PDBs). You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs. Which three steps should you perform to recover the control file and make the database fully operational?（）
    A

    Mount the container database (CDB) and restore the control file from the control file auto backup.

    B

    Recover and open the CDB in NORMAL mode.

    C

    Mount the CDB and then recover and open the database, with the RESETLOGS option.

    D

    Open all the pluggable databases.

    E

    Recover each pluggable database.

    F

    Start the database instance in the nomount stage and restore the control file from control file auto backup.


    正确答案： B,D
    解析： 暂无解析

  • 第7题：

    单选题
    One of the tablespaces is read-only in your database. The loss of all control files forced you to re-create the control file. Which operation do you need to perform after re-creating the control file and opening the database？（）
    A

     drop and re-create the read-only tablespaces

    B

     rename the read-only data files to their correct file names

    C

     change the tablespace status from read/write to read-only

    D

     re-create the read-only tablespace because it is automatically removed


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    The loss of the control file forced you to re/x7fcreate the control file. After re/x7fcreating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five/x7fdigit number starting with 0.  What could be the possible reason？（）
    A

    These are the data files that are corrupted.

    B

    There is no SYSAUX tablespace in your database

    C

    There is a read­only tablespace in your database.

    D

    These are the data files that cannot be recovered.


    正确答案： A
    解析： 暂无解析

  • 第9题：

    多选题
    You are connected to Recovery Manager （RMAN） without a recovery catalog. There is no copy of the control file available. You want to restore the control file from an autobackup. To retrieve the autobackup，you need the database ID （DBID）.  In which two sources would you find the DBID？ （）
    A

    the trace file

    B

    the alert log file

    C

    an RMAN session log file

    D

    the server parameter file

    E

    the formatted name of a control file autobackup


    正确答案： A,E
    解析： 暂无解析

  • 第10题：

    多选题
    You are connected to Recovery Manager （RMAN） without a recovery catalog. There is no copy of the control file available. You want to restore the control file from an autobackup. To retrieve the autobackup， you need the database ID （DBID）. In which two sources would you find the DBID？ （）
    A

    the alert log file

    B

    the server parameter file

    C

    the formatted name of a control file autobackup

    D

    an RMAN session log file

    E

    the trace file


    正确答案： C,D
    解析： 暂无解析

  • 第11题：

    单选题
    The loss of the control file forced you to re-create the control file. After re-creating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five-digit number starting with 0. What could be the possible reason？（）
    A

     These are the data files that are corrupted.

    B

     There is no SYSAUX tablespace in your database

    C

     There is a read-only tablespace in your database.

    D

     These are the data files that cannot be recovered.


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    You executed the following command to back up the control file： ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What do you find in the trace file？（）
    A

    Image of the control file

    B

    Location of the control file

    C

    Contents of the control file in text format

    D

    SQL command to re-create the database

    E

    SQL command to re-create the control file

    F

    Contents of the control file in binary format


    正确答案： A
    解析： 暂无解析

  • 第13题：

    You are maintaining your database in Oracle10g. You are not using the recovery catalog to maintain the backup metadata information. You want to enable the reusable section of the control file to expand itself if the oldest record cannot be reused， and whenever a new record is added to the reusable section of the control file. Which value will you set for the CONTROL_FILE_RECORD_KEEP_TIME parameter？（）

    • A、 Zero
    • B、 One or more
    • C、 NONE
    • D、 DEFAULT

    正确答案:B

  • 第14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 recovery
    • B、 recovery using backup control file is not possible， so restore all the files from the last full database backup， and then open the database
    • C、 drop the read-only tablespace and re-create the tablespace after recovery
    • D、 perform a recovery； status of the tablespace in control file will be changed automatically

    正确答案:A

  • 第15题：

    The loss of the control file forced you to re/x7fcreate the control file. After re/x7fcreating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five/x7fdigit number starting with 0.  What could be the possible reason？（）

    • A、These are the data files that are corrupted.
    • B、There is no SYSAUX tablespace in your database
    • C、There is a read­only tablespace in your database.
    • D、These are the data files that cannot be recovered.

    正确答案:C

  • 第16题：

    The loss of the control file forced you to re-create the control file. After re-creating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five-digit number starting with 0. What could be the possible reason？（）

    • A、 These are the data files that are corrupted.
    • B、 There is no SYSAUX tablespace in your database
    • C、 There is a read-only tablespace in your database.
    • D、 These are the data files that cannot be recovered.

    正确答案:C

  • 第17题：

    单选题
    You backed up the control file to trace. Which statement is true about the trace file generated？（）
    A

    The trace file is in binary format.

    B

    The trace file has a SQL script to re-create the control file.

    C

    The trace file is a backup set created during the backup of the control file. 

    D

    The trace file contains the instructions to manually re-create the control file.

    E

    The trace file is an image copy of the control file created during the backup of the control file.


    正确答案： B
    解析： 暂无解析

  • 第18题：

    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 recovery

    B

     recovery using backup control file is not possible， so restore all the files from the last full database backup， and then open the database

    C

     drop the read-only tablespace and re-create the tablespace after recovery

    D

     perform a recovery； status of the tablespace in control file will be changed automatically


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    You work as a database administrator for Supportcenter.cn. You added atablespaceto your database. Because of the changes to the physical structure of your database， you performed a backup of the control file to trace. After this， you lost only the control files and the instance aborted due to a hardware failure. How would you proceed to recover the database？（）
    A

    Start the instance and open the database， instance recovery automatically recoverscontrol files

    B

    Create a file based on the contents of the trace file and save it to the control file locations and start the database

    C

    Re-create the database （The recovery of the control file is not possible because you have lost all the control files.）

    D

    Start the instance， in the NOMOUNTstate，re-create the control file using the CREATE CONTROLFILE command stored in the trace file.

    E

    Start the instance and MOUNT the database， then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    You work as a database administrator for Certkiller .com. You started the instance using theinit.orafile. You have two control files and three redo log groups in your database. You decided to protect the database against failures by adding one more control file. Which file is the appropriate way to perform this task？（）
    A

    Shut down the instance， copy the control file to the third location and open the database.

    B

    Abort the instance， copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile and open the database.

    C

    Copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile， restart the instance and open the database.

    D

    Shut down the instance， copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile and open the database.

    E

    Shut down the instance， startup in the mount state， copy the control file to the third location， modify the CONTROL_FILES parameter ininit.oraand open the database.


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE；  What does the statement generate？（）
    A

    A text copy of the control file.

    B

    A binary copy of the control file.

    C

    A file containing a SQL statement which will re-create the database.

    D

    A file containing a SQL statement which will re-create the control file.


    正确答案： D
    解析： 暂无解析

  • 第22题：

    多选题
    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.


    正确答案： D,A
    解析： 暂无解析

  • 第23题：

    单选题
    One of the tablespaces is read/x7fonly in your database. The loss of all control files forced you to re/x7fcreate the control file.  Which operation do you need to perform after re/x7fcreating the control file and opening the database？（）
    A

    drop and re­create the read­only tablespaces

    B

    rename the read­only data files to their correct file names

    C

    change the tablespace status from read/write to read­only

    D

    re­create the read­only tablespace because it is automatically removed


    正确答案： C
    解析： 暂无解析

  • 第24题：

    多选题
    What methods are available to recover lost control files？（）
    A

    Backup control file.

    B

    Emergency control file.

    C

    The create controlfile command.

    D

    The restore controlfile SQL*Plus command.

    E

    No backup is required. The database will re-create the control file when it is discovered to be lost.


    正确答案： E,B
    解析： 暂无解析

相关内容