单选题You are trying to determine how many disk sorts are happening on the database right now. Which of the following dictionary tables would you use to find that information?（）A V$SESSION B V$SYSSTAT C DBA_SEGMENTS D V$SORT_USAGE

题目
单选题
You are trying to determine how many disk sorts are happening on the database right now. Which of the following dictionary tables would you use to find that information?（）
A

V$SESSION 

B

V$SYSSTAT 

C

DBA_SEGMENTS 

D

V$SORT_USAGE

相似考题

1.You recently activated a resource plan named OLTP_PLAN in your database. Several users are concurrently running long transactions. You decide to monitor the resource manager to determine if the resource allocation formulated in the OLTP_PLAN is sufficient for peak database hours. Which dynamic performance view should you use to display the CPU time consumed by all the sessions within the resource groups？（）  A、 V$SYSSTATB、 V$SESSSTATC、 V$RSRC_PLAND、 V$RSRC_CONSUMER_GROUP

2.You are trying to determine how many disk sorts are happening on the database right now. Which of the following dictionary tables would you use to find that information?（）A、V$SESSION B、V$SYSSTAT C、DBA_SEGMENTS D、V$SORT_USAGE

3.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$DATABASEB、 V$FLASHBACK_DATABASE_STATC、 V$FLASHBACK_DATABASE_LOGD、 V$RECOVERY_FILE_DEST

4.You are working as a DBA at NetFx Corporation. You discover that the SCOTT schema is deleted by mistake. You decide to flash the database back to the time when the schema existed. Which view will you query to determine the estimated size of the flashback data that you require for your current target retention？（）A、 V$FLASHBACK_DATABASE_LOGB、 V$FLASHBACK_DATABASE_STATC、 V$DATABASED、 V$UNDOSTAT

参考答案和解析
正确答案： D
解析： 暂无解析
更多“单选题You are trying to determine how many disk sorts are happening on the database right now. Which of the following dictionary tables would you use to find that information?（）A V$SESSION B V$SYSSTAT C DBA_SEGMENTS D V$SORT_USAGE”相关问题

  • 第1题：

    In the parameter file of your production database， the FAST_START_MTTR_TARGET parameter is set to 300 to optimize instance recovery. While observing the performance of the database during instance recovery， you find that the redo log files are not sized properly to support this activity. Which two sources could you use to determine the optimal size of the redo log files？（）

    • A、the V$LOG view
    • B、the V$DBFILE view
    • C、the V$LOGFILE view
    • D、the V$INSTANCE_RECOVERY view
    • E、Oracle Enterprise Manager Database Control

    正确答案:D,E

  • 第2题：

    You are working as a DBA on the decision support system. There is a business requirement to track and store all transactions for at least three years for a few tables in the database. Automatic undo management is enabled in the database.  Which configuration should you use to accomplish this task？（）

    • A、 Enable Flashback Data Archive for the tables.
    • B、 Specify undo retention guarantee for the database.
    • C、 Enable supplemental logging for the database.
    • D、 Query V$UNDOSTAT to determine the amount of undo that will be generated and create an undo  tablespace for that size.
    • E、 Create Flashback Data Archive on the tablespace on which the tables are stored.

    正确答案:A

  • 第3题：

    You are required to flashback your database. You want to find the amount of flashback data generated since the database was opened. Which task will you perform to obtain the required information？（）

    • A、 Query the V$FLASHBACK_DATABASE_LOG view.
    • B、 Query the V$FLASHBACK_DATABASE_STAT view.
    • C、 Check the value of the DB_FLASHBACK_RETENTION_TARGET initialization parameter.
    • D、 Query the V$RECOVERY_FILE_DEST view.

    正确答案:B

  • 第4题：

    If you wanted to find the name and location of your control files, you could find that information in each of the following locations except one. Which is it?（）

    • A、V_CONTROLFILE_RECORD_SECTION 
    • B、V_CONTROLFILE 
    • C、V$PARAMETER 
    • D、init.ora file

    正确答案:A

  • 第5题：

    What view might you use to try to determine how long a particular backup will take？（）  

    • A、 V$SESSION_EVENT
    • B、 V$SESSION
    • C、 V$WAITS
    • D、 V$WAITSTAT
    • E、 V$SESSION_LONGOPS

    正确答案:E

  • 第6题：

    You are about to create your Oracle data dictionary for use with the database. Which of the following users would you connect to the database as for this purpose in Oracle9i and later releases?（）

    • A、SYSTEM 
    • B、OUTLN 
    • C、INTERNAL 
    • D、SYS

    正确答案:D

  • 第7题：

    单选题
    You are identifying dictionary objects in the Oracle database. Which of the following is a view in the data dictionary?（）
    A

    V$DATABASE 

    B

    DBA_TABLES 

    C

    SYSAUD$ 

    D

    EMP


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    You executed the following query in your database：  FROM V$FLASHBACK_DATABASE_LOG;  What would you determine from the output？（）
    A

    the time when the last flashback operation in your database was performed

    B

    the time when the first flashback operation in your database was performed

    C

    a list of flashback operations performed in your database using SCN and time

    D

    the approximate time and the lowest system change number （SCN） to which you can flash back your database


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    What view might you use to try to determine how long a particular backup will take？（）
    A

     V$SESSION_EVENT

    B

     V$SESSION

    C

     V$WAITS

    D

     V$WAITSTAT

    E

     V$SESSION_LONGOPS


    正确答案： E
    解析： 暂无解析

  • 第10题：

    单选题
    You are required to flashback your database. You want to find the amount of flashback data generated since the database was opened. Which task will you perform to obtain the required information？（）
    A

     Query the V$FLASHBACK_DATABASE_LOG view.

    B

     Query the V$FLASHBACK_DATABASE_STAT view.

    C

     Check the value of the DB_FLASHBACK_RETENTION_TARGET initialization parameter.

    D

     Query the V$RECOVERY_FILE_DEST view.


    正确答案： D
    解析： 暂无解析

  • 第11题：

    多选题
    In the parameter file of your production database， the FAST_START_MTTR_TARGET parameter is set to 300 to optimize instance recovery. While observing the performance of the database during instance recovery， you find that the redo log files are not sized properly to support this activity. Which two sources could you use to determine the optimal size of the redo log files？（）
    A

    the V$LOG view

    B

    the V$DBFILE view

    C

    the V$LOGFILE view

    D

    the V$INSTANCE_RECOVERY view

    E

    Oracle Enterprise Manager Database Control


    正确答案： A,C
    解析： 暂无解析

  • 第12题：

    单选题
    You are working as a DBA at NetFx Corporation. You discover that the SCOTT schema is deleted by mistake. You decide to flash the database back to the time when the schema existed. Which view will you query to determine the estimated size of the flashback data that you require for your current target retention？（）
    A

     V$FLASHBACK_DATABASE_LOG

    B

     V$FLASHBACK_DATABASE_STAT

    C

     V$DATABASE

    D

     V$UNDOSTAT


    正确答案： B
    解析： 暂无解析

  • 第13题：

    What view might you use to try to determine how long a particular backup will take?（）

    • A、V$SESSION_EVENT 
    • B、V$SESSION 
    • C、V$W0041ITS
    • D、V$WAITSTAT 
    • E、V$SESSION_LONGOPS 

    正确答案:E

  • 第14题：

    You executed the following query in your database：  FROM V$FLASHBACK_DATABASE_LOG;  What would you determine from the output？（）

    • A、the time when the last flashback operation in your database was performed
    • B、the time when the first flashback operation in your database was performed
    • C、a list of flashback operations performed in your database using SCN and time
    • D、the approximate time and the lowest system change number （SCN） to which you can flash back your database

    正确答案:D

  • 第15题：

    You are identifying dictionary objects in the Oracle database. Which of the following is a view in the data dictionary?（） 

    • A、V$DATABASE 
    • B、DBA_TABLES 
    • C、SYSAUD$ 
    • D、EMP

    正确答案:B

  • 第16题：

    From the V$SESSION_LONGOPS view， you find that some of the database users have long-running queries that consume a lot of CPU time. This causes performance problems for other users in the database， who have much shorter queries.  You would like to make sure that the users with large queries do not use all the CPU time， but you still do not want to terminate them with an error message.  Which method would you follow to achieve this？（）

    • A、set the CPU time per call in the users profile
    • B、set the CPU time per session in the users profiles
    • C、set the CPU levels for the users’ group using Resource Manager
    • D、set the TIMED_STATISTICS parameter to TRUE in the parameter file

    正确答案:C

  • 第17题：

    Flashback Database is enabled in your Oracle 10g database. One of your database users erroneously purged an important table residing in his schema. The table was purged sometime between 10：00 P.M. and 10：30 P.M. The next day， you decide to flash back the database. Before you flash back the database， you want to ensure that you have all the necessary flashback data. Which dynamic performance view must you use to determine whether you have the required flashback data to recover the purged table？（）

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

    正确答案:C

  • 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
    You are working as a DBA on the decision support system. There is a business requirement to track and store all transactions for at least three years for a few tables in the database. Automatic undo management is enabled in the database.  Which configuration should you use to accomplish this task？（）
    A

     Enable Flashback Data Archive for the tables.

    B

     Specify undo retention guarantee for the database.

    C

     Enable supplemental logging for the database.

    D

     Query V$UNDOSTAT to determine the amount of undo that will be generated and create an undo  tablespace for that size.

    E

     Create Flashback Data Archive on the tablespace on which the tables are stored.


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    From the V$SESSION_LONGOPS view， you find that some of the database users have long/x7frunning queries that consume a lot of CPU time. This causes performance problems for other users in the database， who have much shorter queries.  You would like to make sure that the users with large queries do not use all the CPU time， but you still do not want to terminate them with an error message. Which method would you follow to achieve this？（）
    A

    set the CPU time per call in the users profile

    B

    set the CPU time per session in the users profiles

    C

    set the CPU levels for the users’ group using Resource Manager

    D

    set the TIMED_STATISTICS parameter to TRUE in the parameter file


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    Flashback Database is enabled in your Oracle 10g database. One of your database users erroneously purged an important table residing in his schema. The table was purged sometime between 10：00 P.M. and 10：30 P.M. The next day， you decide to flash back the database. Before you flash back the database， you want to ensure that you have all the necessary flashback data. Which dynamic performance view must you use to determine whether you have the required flashback data to recover the purged table？（）
    A

     V$DATABASE

    B

     V$UNDOSTAT

    C

     V$FLASHBACK_DATABASE_LOG

    D

     V$FLASHBACK_DATABASE_STAT


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    You recently activated a resource plan named OLTP_PLAN in your database. Several users are concurrently running long transactions. You decide to monitor the resource manager to determine if the resource allocation formulated in the OLTP_PLAN is sufficient for peak database hours. Which dynamic performance view should you use to display the CPU time consumed by all the sessions within the resource groups？（）
    A

     V$SYSSTAT

    B

     V$SESSSTAT

    C

     V$RSRC_PLAN

    D

     V$RSRC_CONSUMER_GROUP


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    You are about to create your Oracle data dictionary for use with the database. Which of the following users would you connect to the database as for this purpose in Oracle9i and later releases?（）
    A

    SYSTEM 

    B

    OUTLN 

    C

    INTERNAL 

    D

    SYS


    正确答案： A
    解析： 暂无解析

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