单选题Your system has been upgraded from Oracle Database 10g to Oracle Database 11g. You imported SQL Tuning Sets （STS） from the previous version. After changing the  OPTIMIZER_FEATURE_ENABLE parameter to 10.2.0.4 and running the SQL Performance Analyzer， yo

题目
单选题
Your system has been upgraded from Oracle Database 10g to Oracle Database 11g. You imported SQL Tuning Sets （STS） from the previous version. After changing the  OPTIMIZER_FEATURE_ENABLE parameter to 10.2.0.4 and running the SQL Performance Analyzer， you observed performance regression for a few SQL statements.  What would you do with these SQL statements？（）
A

 Set OPTIMIZER_USE_PLAN_BASELINES to FALSE to prevent the use of regressed plans.

B

 Capture the plans from the previous version using STS and then load them into the stored outline.

C

 Capture the plans from the previous version using STS and then load them into SQL Management Base （SMB）

D

 Set OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES to FALSE to prevent the plans from being loaded to the SQL plan baseline.

相似考题

1.In your database, the LDAP_DIRECTORY_SYSAUTH initialization parameter has been set to YES and the users who need to access the database as DBAs have been granted SYSDBA enterprise role in Oracle Internet Directory (OID). SSL and the password file have been configured. A user SCOTT with the SYSDBA privilege tries to connect to the database instance from a remote machine using the command:Which authentication method would be used first?（）A. authentication by password fileB. authentication by using certificates over SSLC. authentication by using the Oracle Internet DirectoryD. authentication by using the local OS of the database server

2.Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyzeimpact on the performance of SQL statements.()A. Change in the Oracle Database versionB. Change in your network infrastructureC. Change in the hardware configuration of the database serverD. Migration of database storage from non-ASM to ASM storageE. Database and operating system upgrade

3.You executed the following command in Recovery Manager （RMAN） against your Oracle 10g database：RMAN> REPORT NEED BACKUP days 3；What would be the output of this command？（）A、 a list of files that require a backup within three daysB、 a list of files that have not been backed up for three daysC、 a list of files that RMAN recommends be backed up only once in every three days， based on low volatilityD、 a list of files for which a backup has already been performed and may need a backup after three days

4.You installed Oracle Database 11g and are performing a manual upgrade of the Oracle9i database. As a part of the upgrade process, you execute the following script:SQL>@utlu111i.sqlWhich statement about the execution of this script is true?（）A. It must be executed from the Oracle Database 11g environment.B. It must be executed only after the SYSAUX tablespace has been created.C. It must be executed from the environment of the database that is being upgraded.D. It must be executed only after AUTOEXTEND is set to ON for all existing tablespaces.E. It must be executed from both the Oracle Database 11g and Oracle Database 9i environments.

更多“Your system has been upgraded from Oracle Database 10g to Or”相关问题

  • 第1题：

    Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt：     RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF；   RMAN> BACKUP DATABASE；   Which files from the database will be backed up as a result of this BACKUP command？（）

    • A、 control file
    • B、 all datafiles
    • C、 password file
    • D、 online redo log file
    • E、 archive redo log file
    • F、 server parameter file
    • G、 only the SYSTEM datafile

    正确答案:A,B,F

  • 第2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3题：

    In your production database you want to use an Automatic Storage Management （ASM） instance to manage the database files. Which option would you use to migrate the database files from a non-ASM instance to an ASM instance？（）

    • A、Oracle Migration Assistant
    • B、Recovery Manager （RMAN）
    • C、Oracle Data Pump Export and Import
    • D、conventional Oracle Export and Import
    • E、operating system utilities to copy the files to the ASM instance

    正确答案:B

  • 第4题：

    In your database，the LDAP_DIRECTORY_SYSAUTH initialization parameter has been set to YES and the users who need to access the database as DBAs have been granted SYSDBA enterprise role in Oracle Internet Directory （OID）. SSL and the password file have been configured. A user SCOTT with the SYSDBA privilege tries to connect to the database instance from a remote machine using the command：$ SQLPLUS scott/tiger@DB01 AS SYSDBA   where DB01 is the net service name.   Which authentication method would be used first？（）  

    • A、 authentication by password file
    • B、 authentication by using certificates over SSL
    • C、 authentication by using the Oracle Internet Directory
    • D、 authentication by using the local OS of the database server

    正确答案:A

  • 第5题：

    Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyzeimpact on the performance of SQL statements.（）

    • A、Change in the Oracle Database version
    • B、Change in your network infrastructure
    • C、Change in the hardware configuration of the database server
    • D、Migration of database storage from non-ASM to ASM storage
    • E、Database and operating system upgrade

    正确答案:A,C,E

  • 第6题：

    单选题
    n your production database you want to use an Automatic Storage Management （ASM） instance to manage the database files. Which option would you use to migrate the database files from a non-ASM instance to an ASM instance？（）
    A

     Oracle Migration Assistant

    B

     Recovery Manager （RMAN）

    C

     Oracle Data Pump Export and Import

    D

     conventional Oracle Export and Import

    E

     operating system utilities to copy the files to the ASM instance


    正确答案： D
    解析： 暂无解析

  • 第7题：

    多选题
    In your Oracle 10g database ， you have scheduled a job to update the optimizer statistics at 05：00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected？（）
    A

    average row size

    B

    last analyzed date

    C

    size of table in bytes

    D

    size of table in database blocks

    E

    number of free blocks in the free list

    F

    number of extents present in the table


    正确答案： A,C
    解析： 暂无解析

  • 第8题：

    单选题
    You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA.  While observing the server settings， you find that the following parameter has been set in the parameter file of the database：  REMOTE_OS_AUTHENT = TRUE  What could have been the reason to set this parameter as TRUE？（）
    A

    to enable operating system authentication for a remote client

    B

    to restrict the scope of administration to identical operating systems

    C

    to allow the start up and shut down of the database from a remote client

    D

    to enable the administration of the operating system from a remote client

    E

    to disable the administration of the operating system from a remote client


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    Two data files have been deleted at the operating system level by accident. Your database is running in ARCHIVELOG mode and online backups are taken nightly. One of the data files that has been deleted belongs to the USERS tablespace on the other belongs to the SYSTEM tablespace. How can you recover from this situation？（）
    A

    Shut down the database, restore the two data files and then start up the database. 

    B

    Take the system and users tablespace offline, restore the two data files, recover the two datafiles, and then bring the SYSTEM and USERS tablespaces online. 

    C

    Shut down the database, restore the two data files, start up the database in MOUNT mode, recover the two data files, and then alter the database open. 

    D

    Take the SYSTEM and USERS tablespaces offline, recover the two datafiles and then bring the SYSTEM and USERS tablespaces online.


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    You are maintaining your database in Oracle10g. You find that the number of languages that should be supported in your database has increased. The character set of your database is UTF8. You decide to migrate your database to the AL16UTF16 national character set.   How will you migrate your database from UTF8 to AL16UTF16？（）
    A

     by using the RMAN utility

    B

     by using the export/import utility

    C

     by using the ALTER DATABASE command

    D

     by enabling the change tracking feature


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups， and there have been five log switches. You lost one non-system-critical data file from your database.  Which method would you use to recover the data file？（）
    A

    Restore all the data files and open the database

    B

    Create the data file and performtablespacerecovery

    C

    No need to restore any file， just recover the database

    D

    Restore only the system data file and recover the database

    E

    Restore only lost date file and performtablespacerecovery


    正确答案： A
    解析： 暂无解析

  • 第12题：

    多选题
    Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt：     RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF；   RMAN> BACKUP DATABASE；   Which files from the database will be backed up as a result of this BACKUP command？（）
    A

    control file

    B

    all datafiles

    C

    password file

    D

    online redo log file

    E

    archive redo log file

    F

    server parameter file

    G

    only the SYSTEM datafile


    正确答案： G,F
    解析： 暂无解析

  • 第13题：

    You are maintaining your database in Oracle10g. You find that the number of languages that should be supported in your database has increased. The character set of your database is UTF8. You decide to migrate your database to the AL16UTF16 national character set.   How will you migrate your database from UTF8 to AL16UTF16？（）  

    • A、 by using the RMAN utility
    • B、 by using the export/import utility
    • C、 by using the ALTER DATABASE command
    • D、 by enabling the change tracking feature

    正确答案:C

  • 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 have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA.  While observing the server settings， you find that the following parameter has been set in the parameter file of the database：  REMOTE_OS_AUTHENT = TRUE  What could have been the reason to set this parameter as TRUE？（）

    • A、to enable operating system authentication for a remote client
    • B、to restrict the scope of administration to identical operating systems
    • C、to allow the start up and shut down of the database from a remote client
    • D、to enable the administration of the operating system from a remote client
    • E、to disable the administration of the operating system from a remote client

    正确答案:A

  • 第16题：

    In your production database you want to use an Automatic Storage Management （ASM） instance to manage the database files.  Which option would you use to migrate the database files from a non/x7fASM instance to an ASM instance？（）

    • A、Oracle Migration Assistant
    • B、Recovery Manager （RMAN）
    • C、Oracle Data Pump Export and Import
    • D、conventional Oracle Export and Import
    • E、operating system utilities to copy the files to the ASM instance

    正确答案:B

  • 第17题：

    You perform the following activities during the database upgrade from Oracle Database 10g to Oracle Database 11g: 1. Capture plans for a SQL workload into a SQL Tuning Set (STS) before upgrade. 2. Load these plans from the STS into the SQL plan baseline immediately after the upgrade. What is the reason for performing these activities? （）

    • A、to minimize plan regression due to the use of a new optimizer version
    • B、to completely avoid the use of new plans generated by a new optimizer version
    • C、to prevent plan capturing when the SQL statement is executed after the database upgrade
    • D、to keep the plan in the plan history so that it can be used when the older version of the optimizer is used

    正确答案:A

  • 第18题：

    单选题
    Purging air from a hydraulic system is necessary when（）
    A

    adding small amounts of oil to the system

    B

    the system has been overheated

    C

    the system has been drained and then filled with new oil

    D

    the system has been idle for a long period of time


    正确答案： C
    解析： 暂无解析

  • 第19题：

    多选题
    Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyzeimpact on the performance of SQL statements.（）
    A

    Change in the Oracle Database version

    B

    Change in your network infrastructure

    C

    Change in the hardware configuration of the database server

    D

    Migration of database storage from non-ASM to ASM storage

    E

    Database and operating system upgrade


    正确答案： E,D
    解析： 暂无解析

  • 第20题：

    多选题
    SQ L*Loader is a utility that can perform which two tasks？（）
    A

    Load data from a disk， tape， or named pipes.

    B

    Load data into an Oracle database using DML statements.

    C

    Extract， reorganize， and insert data within an Oracle database.

    D

    Load data from external files into tables in an Oracle database.

    E

    Load data into an Oracle database using operating system commands.

    F

    Load data directly from a non-Oracle database to an Oracle database.


    正确答案： D,E
    解析： 暂无解析

  • 第21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22题：

    单选题
    Your system has been upgraded from Oracle Database 10g to Oracle Database 11g. You imported SQL Tuning Sets (STS) from the previous version. After changing the OPTIMIZER_FEATURE_ENABLE parameter to 10.2.0.4 and running the SQL Performance Analyzer, you observed performance regression for a few SQL statements. What would you do with these SQL statements?（）
    A

    Set OPTIMIZER_USE_PLAN_BASELINES to FALSE to prevent the use of regressed plans.

    B

    Capture the plans from the previous version using STS and then load them into the stored outline.

    C

    Capture the plans from the previous version using STS and then load them into SQL Management Base (SMB).

    D

    Set OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES to FALSE to prevent the plans from being loaded to the SQL plan baseline.


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    You installed Oracle Database 11g and are performing a manual upgrade of the Oracle9i database. As a part of the upgrade process，you execute the following script：   SQL>@utlu111i.sql   Which statement about the execution of this script is true？（）
    A

     It must be executed from the Oracle Database 11g environment.

    B

     It must be executed only after the SYSAUX tablespace has been created.

    C

     It must be executed from the environment of the database that is being upgraded.

    D

     It must be executed only after AUTOEXTEND is set to ON for all existing tablespaces.

    E

     It must be executed from both the Oracle Database 11g and Oracle Database 9i environments.


    正确答案： B
    解析： 暂无解析

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