多选题You require the Oracle server to manage the undo segments and space among various active sessions automatically. You created an undo tablespace， UNDO_TBS1， in your database. Which two additional steps would you perform to achieve this？（）ASet the UNDO_R

题目
多选题
You require the Oracle server to manage the undo segments and space among various active sessions automatically. You created an undo tablespace， UNDO_TBS1， in your database. Which two additional steps would you perform to achieve this？（）
A

Set the UNDO_RETENTION parameter to 900 or more.

B

Create an initial undo segment in the undo tablespace.

C

Enable the retention guarantee for the undo tablespace.

D

Set the UNDO_TABLESPACE parameter to UNDO_TBS1.

E

Set the UNDO_MANAGEMENT initialization parameter to AUTO.

相似考题

1. Your database instance is running with full workload after database creation. You have decided to useafixed-sizeundo tablespace. You want to use the Undo Advisor to estimate the capacity of the undotablespace.  Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）A、the retention period to support flashbackB、the expected length of the longest-running queryC、the number of undo tablespaces in the databaseD、the size of the Flash Recovery Area for the database instance

2. Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）A、The retention period to support flashbackB、The expected length of the longest-running queryC、The number of undo tablespaces in the databaseD、The size of the Flash Recovery Area for the database instance

3.Users in your PROD database complain about the slow response of the transactions. While investigating the reason， you find that the transactions are waiting for the undo segments to be available， and undo retention has been set to zero. What would you do to overcome this problem？（）A、increase the undo retentionB、create more undo segmentsC、create another undo tablespaceD、increase the size of the undo tablespace

4.You work as a database administrator for Supportcenter.cn. 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

更多“多选题You require the Oracle server to manage the undo segments and space among various active sessions automatically. You created an undo tablespace， UNDO_TBS1， in your database. Which two additional steps would you perform to achieve this？（）ASet the UNDO_R”相关问题

  • 第1题：

    You executed the following query：  SELECT operation， undo_sql， table_name FROM flashback_transaction_query； Which statement is correct regarding the query output？（）

    • A、 It would return information regarding only the last committed transaction.
    • B、 It would return only the active transactions in all the undo segments in the database.
    • C、 It would return only the committed transactions in all the undo segments in the database.
    • D、 It would return both active and committed transactions in all the undo segments in the database.
    • E、 It would return information regarding the transactions that began and were committed in the last 30 minutes.

    正确答案:D

  • 第2题：

    You executed the following query：  SELECT operation， undo_sql， table_name  FROM flashback_transaction_query;  Which statement is correct regarding the query output？（）

    • A、It would return information regarding only the last committed transaction.
    • B、It would return only the active transactions in all the undo segments in the database.
    • C、It would return only the committed transactions in all the undo segments in the database. 
    • D、It would return both active and committed transactions in all the undo segments in the database.
    • E、It would return information regarding the transactions that began and were committed in the last 30 minutes.

    正确答案:D

  • 第3题：

    You work as a database administrator for Certkiller .com. You want to create your database with the automatic undo management feature enable.Which two tasks must you perform to achieve this？（）

    • A、Set the UNDO_RETENTION parameter to AUTO.
    • B、Create an initial undo segment in undotablespace.
    • C、Set the UNDO_RETENTION parameter to 900 or more
    • D、Set the initialization parameter UNDO_MANAGEMENT to AUTO
    • E、Set the UNDO_MANAGEMENT parameter to the name of an undotablespace

    正确答案:D,E

  • 第4题：

    You find pockets of empty space in the USER_DATA tablespace due to a lot of DML operations on the objects in the USER_DATAtablespace. The pockets of empty spaces are too small to be reused individually. This is leading to wastage of space. You decide to perform the shrink operation to reclaim the wasted space. Which advisor will you use to determine the objects in the USER_DATA tablespace that are good candidates for the shrink operation？（）

    • A、 SQL Tuning Advisor
    • B、 SQL Access Advisor
    • C、 Undo Advisor
    • D、 Segment Advisor

    正确答案:D

  • 第5题：

    You require the Oracle server to manage the undo segments and space among various active sessions automatically. You created an undo tablespace， UNDO_TBS1， in your database. Which two additional steps would you perform to achieve this？（）

    • A、Set the UNDO_RETENTION parameter to 900 or more.
    • B、Create an initial undo segment in the undo tablespace.
    • C、Enable the retention guarantee for the undo tablespace.
    • D、Set the UNDO_TABLESPACE parameter to UNDO_TBS1.
    • E、Set the UNDO_MANAGEMENT initialization parameter to AUTO.

    正确答案:D,E

  • 第6题：

    单选题
    You have 100 segments in the USERS tablespace. You get an alert that the USERS tablespace is running low on space. You decide to shrink some segments. Which option would you use to determine which segments to shrink?（）
    A

    Segment Advisor 

    B

    SQL Tuning Advisor 

    C

    SQL Access Advisor 

    D

    Segment Resource Estimation 

    E

    Automatic Database Diagnostic Monitor (ADDM)


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    You are maintaining your OLTP database in Oracle10g. You are performing the Flashback Transaction Query to find the undo SQL statements that can be used to undo the changes made to the database in the specific time period. Which pseudocolumn will you use to perform the Flashback Transaction Query？（）
    A

     VERSIONS_STARTSCN

    B

     VERSIONS_STARTTIME

    C

     VERSIONS_XID

    D

     VERSIONS_OPERATION


    正确答案： A
    解析： 暂无解析

  • 第8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9题：

    多选题
    Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）
    A

    The retention period to support flashback

    B

    The expected length of the longest-running query

    C

    The number of undo tablespaces in the database

    D

    The size of the Flash Recovery Area for the database instance


    正确答案： D,B
    解析： 暂无解析

  • 第10题：

    多选题
    You started a long transaction. Before committing， you executed a query on one of the tables currently being modified. You received the following error： ORA-01555： snapshot too old How would you prevent such an error in the future？（）
    A

    guarantee undo retention

    B

    add one more redo log group

    C

    size the redo log files appropriately

    D

    size the UNDO tablespace appropriately

    E

    size the SYSTEM tablespace appropriately

    F

    configure an appropriate undo retention interval

    G

    change automatic undo management to manual


    正确答案： G,B
    解析： 暂无解析

  • 第11题：

    多选题
    You require the Oracle server to manage the undo segments and space among various active sessions automatically. You created an undo tablespace， UNDO_TBS1， in your database. Which two additional steps would you perform to achieve this？（）
    A

    Set the UNDO_RETENTION parameter to 900 or more.

    B

    Create an initial undo segment in the undo tablespace.

    C

    Enable the retention guarantee for the undo tablespace.

    D

    Set the UNDO_TABLESPACE parameter to UNDO_TBS1.

    E

    Set the UNDO_MANAGEMENT initialization parameter to AUTO.


    正确答案： E,D
    解析： 暂无解析

  • 第12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,B
    解析： 暂无解析

  • 第13题：

    You are maintaining your OLTP database in Oracle10g. You are performing the Flashback Transaction Query to find the undo SQL statements that can be used to undo the changes made to the database in the specific time period. Which pseudocolumn will you use to perform the Flashback Transaction Query？（）

    • A、 VERSIONS_STARTSCN
    • B、 VERSIONS_STARTTIME
    • C、 VERSIONS_XID
    • D、 VERSIONS_OPERATION

    正确答案:C

  • 第14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15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16题：

    You work as a database administrator for Supportcenter.cn. Users in the Supportcenter.cn PROD database complain about the slow response of transactions. While investigating the reason you find that the transactions are waiting for the undo segments to be available， and undo retention has been set to zero.  What would you do to overcome this problem？（）

    • A、Increase the undo return
    • B、Create more undo segments
    • C、Create another undotablespace
    • D、Increase the size of the undo tablespace

    正确答案:D

  • 第17题：

    单选题
    You executed the following query：  SELECT operation， undo_sql， table_name  FROM flashback_transaction_query;  Which statement is correct regarding the query output？（）
    A

    It would return information regarding only the last committed transaction.

    B

    It would return only the active transactions in all the undo segments in the database.

    C

    It would return only the committed transactions in all the undo segments in the database. 

    D

    It would return both active and committed transactions in all the undo segments in the database.

    E

    It would return information regarding the transactions that began and were committed in the last 30 minutes.


    正确答案： D
    解析： 暂无解析

  • 第18题：

    多选题
    Identify three situations in which you would NOT be able to drop a tablespace. （）
    A

    when the tablespace is online

    B

    when the tablespace has segments with data in it

    C

    when the tablespace is a default permanent tablespace for the database

    D

    when the tablespace contains a table that is currently being used by transactions

    E

    when the tablespace contains undo data that is needed to rollback an uncommitted transaction


    正确答案： E,B
    解析： 暂无解析

  • 第19题：

    多选题
    You are maintaining your database in Oracle10g. You perform a full user-managed backup every Sunday at 8：00 P.M. Your database is running in ARCHIVELOG mode. On Monday， at 9：00 A.M.， a tablespace is dropped. You decide to perform incomplete recovery to recover the dropped tablespace.  Which two clauses can you use with the RECOVER command？（）
    A

    UNTIL SEQUENCE

    B

    UNTIL SCN

    C

    UNTIL CHANGE

    D

    UNTIL CANCEL


    正确答案： A,B
    解析： 暂无解析

  • 第20题：

    多选题
    You need to ensure that the database users should be able to use the various flashback query features in order to go back in time by four hours. What would you do to achieve this?（）
    A

    set SQL_TRACE=True

    B

    set UNDO_RETENTION=14400

    C

    set FAST_START_MTTR_TARGET=240

    D

    set LOG_CHECKPOINT_INTERVAL=240

    E

    set DB_FLASHBACK_RETENTION_TARGET=14400

    F

    set the RETENTION GUARANTEE clause for the undo tablespace


    正确答案： E,F
    解析： 暂无解析

  • 第21题：

    多选题
    Your database instance is running with full workload after database creation. You have decided to useafixed-sizeundo tablespace. You want to use the Undo Advisor to estimate the capacity of the undotablespace.  Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）
    A

    the retention period to support flashback

    B

    the expected length of the longest-running query

    C

    the number of undo tablespaces in the database

    D

    the size of the Flash Recovery Area for the database instance


    正确答案： D,A
    解析： 暂无解析

  • 第22题：

    单选题
    You executed the following query： SELECT operation， undo_sql， table_name FROM flashback_transaction_query；  Which statement is correct regarding the query output？（）
    A

    It would return information regarding only the last committed transaction.

    B

    It would return only the active transactions in all the undo segments in the database.

    C

    It would return only the committed transactions in all the undo segments in the database.

    D

    It would return both active and committed transactions in all the undo segments in the database.

    E

    It would return information regarding the transactions that began and were committed in the last 30 minutes.


    正确答案： A
    解析： 暂无解析

  • 第23题：

    多选题
    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 Control

    B

    Oracle Management Service

    C

    Oracle Enterprise Manager Repository

    D

    Oracle Enterprise Manager Database Control


    正确答案： C,D
    解析： 暂无解析

  • 第24题：

    多选题
    You work as a database administrator for Certkiller .com. You want to create your database with the automatic undo management feature enable.Which two tasks must you perform to achieve this？（）
    A

    Set the UNDO_RETENTION parameter to AUTO.

    B

    Create an initial undo segment in undotablespace.

    C

    Set the UNDO_RETENTION parameter to 900 or more

    D

    Set the initialization parameter UNDO_MANAGEMENT to AUTO

    E

    Set the UNDO_MANAGEMENT parameter to the name of an undotablespace


    正确答案： A,C
    解析： 暂无解析

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