While deploying a new application module, the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences?（）A、The plan baselines can be evolved

题目

While deploying a new application module, the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences?（）

  • A、The plan baselines can be evolved over time to produce better performance.
  • B、The newly generated plans are directly placed into the SQL plan baseline without being verified.
  • C、The new SQL statements initially run with the plans that are known to produce good performance under standard test configuration.
  • D、The optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported.
相似考题

1.Identify the activities performed as part of the Automatic SQL Tuning process in the maintenance window?()A. generating the SQL profileB. testing and accepting the SQL profileC. generating a list of candidate SQLs for tuningD. adding tuned SQL plans into the SQL plan baselineE. tuning each SQL statement in the order of importanceF. generating baselines that include candidate SQLs for tuning

2.Which statement describes the effect of the execution of the above PL／SQL block?()A. The plan baselines are verified with the SQL profiles.B. All fixed plan baselines are converted into nonfixed plan baselines.C. All the nonaccepted SQL profiles are accepted into the plan baseline.D. The nonaccepted plans in the SQL Management Base are verified with the existing plan baselines.

3.Identify the two direct sources from where SQL plans can be loaded into the SQL plan baselines.()A. Cursor cacheB. Stored outlineC. SQL Tuning SetD. Automatic Workload Repository (AWR) snapshots

4.Which two statements about the SQL Management Base (SMB) are true?()A. It contains only SQL profiles generated by SQL Tuning Advisor.B. It stores plans generated by the optimizer using a stored outline.C. It is part of the data dictionary and stored in the SYSAUX tablespace.D. It is part of the data dictionary and stored in the SYSTEM tablespace.E. It contains the statement log, the plan history, plan baselines, and SQL profiles.

参考答案和解析
正确答案:A,C
更多“While deploying a new application module, the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences?（）A、The plan baselines can be evolved ”相关问题

  • 第1题：

    Generally software can be divided into two types:（ ）software and application software.

    A.system B.I/O C.control D.database


    正确答案：A

  • 第2题：

    The J-Web application can install the JUNOS software from which two locations?（）

    • A、SDX
    • B、local PC
    • C、BSD shell
    • D、remote host

    正确答案:B,D

  • 第3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

  • 第4题：

    Identify the activities performed as part of the Automatic SQL Tuning process in the maintenance window?（）

    • A、generating the SQL profile
    • B、testing and accepting the SQL profile
    • C、generating a list of candidate SQLs for tuning
    • D、adding tuned SQL plans into the SQL plan baseline
    • E、tuning each SQL statement in the order of importance
    • F、generating baselines that include candidate SQLs for tuning

    正确答案:A,B,C,E

  • 第5题：

    Identify the activities performed as part of the Automatic SQL Tuning process in the maintenance window？（）

    • A、 generating the SQL profile
    • B、 testing and accepting the SQL profile
    • C、 generating a list of candidate SQLs for tuning
    • D、 adding tuned SQL plans into the SQL plan baseline
    • E、 tuning each SQL statement in the order of importance 
    • F、 generating baselines that include candidate SQLs for tuning

    正确答案:A,B,C,E

  • 第6题：

    Which statement describes the effect of the execution of the above PL/SQL block?（）

    • A、The plan baselines are verified with the SQL profiles.
    • B、All fixed plan baselines are converted into nonfixed plan baselines.
    • C、All the nonaccepted SQL profiles are accepted into the plan baseline.
    • D、The nonaccepted plans in the SQL Management Base are verified with the existing plan baselines.

    正确答案:D

  • 第7题：

    Examine the following PL/SQL block：   SET SERVEROUTPUT ON SET LONG 10000 ECLARE report clob；  BEGIN report ：= DBMS_SPM.EVOLVE_SQL_PLAN_BASELINE（）； DBMS_OUTPUT.PUT_LINE（report）； END；   Which statement describes the effect of the execution of the above PL/SQL block？（）  

    • A、 The plan baselines are verified with the SQL profiles.
    • B、 All fixed plan baselines are converted into nonfixed plan baselines.
    • C、 All the nonaccepted SQL profiles are accepted into the plan baseline.
    • D、 The nonaccepted plans in the SQL Management Base are verified with the existing plan baselines.

    正确答案:D

  • 第8题：

    多选题
    The OPTIMIZER_USE_PLAN_BASELINES parameter is set to TRUE. The optimizer generates a plan for a SQL statement but does not find a matching plan in the SQL plan baseline. Which two operations are performed by the optimizer in this scenario?（）
    A

    The optimizer adds the new plan to the plan history.

    B

    The optimizer selects the new plan for the execution of the SQL statement.

    C

    The optimizer adds the new plan to the SQL plan baseline as an accepted plan.

    D

    The optimizer adds the new plan to the SQL plan baseline but not in the ENABLED state.

    E

    The optimizer costs each of the accepted plans in the SQL plan baseline and picks the one with the lowest cost.


    正确答案： A,E
    解析： 暂无解析

  • 第9题：

    单选题
    Your company’s network has client computers that run Windows 7.   A software vendor releases version 2 of an application that your company uses.  Your company currently uses version 1.  Version 1 and version 2 are not compatible. You plan to deploy version 2 of the application.   You have the following requirements：Users must be able to run both versions of the application on their computers.   Version 2 must be available when a client computer is not connected to the network.  You need to plan a software deployment process that meets the requirements.   What should you do？（）
    A

     Deploy version 2 of the application by using Microsoft Application Virtualization （App-V）. 

    B

     Deploy version 2 of the application as a Remote Desktop Services RemoteApp.

    C

     Deploy version 2 of the application by using a Group Policy Software Installation policy.

    D

     Deploy version 2 of the application by using a Microsoft System Center Configuration Manager package.


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    Examine the following PL/SQL block：   SET SERVEROUTPUT ON SET LONG 10000 ECLARE report clob；  BEGIN report ：= DBMS_SPM.EVOLVE_SQL_PLAN_BASELINE（）； DBMS_OUTPUT.PUT_LINE（report）； END；   Which statement describes the effect of the execution of the above PL/SQL block？（）
    A

     The plan baselines are verified with the SQL profiles.

    B

     All fixed plan baselines are converted into nonfixed plan baselines.

    C

     All the nonaccepted SQL profiles are accepted into the plan baseline.

    D

     The nonaccepted plans in the SQL Management Base are verified with the existing plan baselines.


    正确答案： A
    解析： 暂无解析

  • 第11题：

    多选题
    Which three are the valid statements in relation to SQL plan baselines?（）
    A

    The plans can be manually loaded to the SQL plan baseline.

    B

    The plans in the SQL plan baseline are verified and accepted plans.

    C

    The plans generated for every SQL statement are stored in the SQL plan baseline by default.

    D

    The plan baselines are stored temporarily in the memory as long as the database instance is running.

    E

      For the SQL plan baselines to be accessible to the optimizer, the SYSAUX tablespace must be online.


    正确答案： A,B,E
    解析： 暂无解析

  • 第12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13题：

    ●Generally software can be divided into two types: (73) software and application software.

    (73)

    A. database

    B. system

    C. operating

    D. text


    正确答案：B

  • 第14题：

    Which two statements about the SQL Management Base (SMB) are true? （）(Choose two.)

    • A、It contains only SQL profiles generated by SQL Tuning Advisor.
    • B、It stores plans generated by the optimizer using a stored outline.
    • C、It is part of the data dictionary and stored in the SYSAUX tablespace.
    • D、It is part of the data dictionary and stored in the SYSTEM tablespace.
    • E、It contains the statement log, the plan history, plan baselines, and SQL profiles.

    正确答案:C,E

  • 第15题：

    Which three are the valid statements in relation to SQL plan baselines？（）

    • A、 The plans can be manually loaded to the SQL plan baseline.
    • B、 The plans in the SQL plan baseline are verified and accepted plans.
    • C、 The plans generated for every SQL statement are stored in the SQL plan baseline by default. 
    • D、 The plan baselines are stored temporarily in the memory as long as the database instance is running.
    • E、 For the SQL plan baselines to be accessible to the optimizer， the SYSAUX tablespace must be online.

    正确答案:A,B,E

  • 第16题：

    Identify the two direct sources from where SQL plans can be loaded into the SQL plan baselines.（）

    • A、 Cursor cache
    • B、 Stored outline
    • C、 SQL Tuning Set
    • D、 Automatic Workload Repository （AWR） snapshots

    正确答案:A,C

  • 第17题：

    You want to analyze a SQL Tuning Set (STS) using SQL Performance Analyzer in a test database. Which two statements are true regarding the activities performed during the test execution of SQLs in a SQL Tuning Set?（）

    • A、Every SQL statement in the STS is considered only once for execution
    • B、The SQL statements in the STS are executed concurrently to produce the execution plan and execution statistics
    • C、The execution plan and execution statistics are computed for each SQL statement in the STS
    • D、The effects of DDL and DML are considered to produce the execution plan and execution statistics

    正确答案:A,C

  • 第18题：

    The OPTIMIZER_USE_PLAN_BASELINES parameter is set to TRUE. The optimizer generates a plan for a SQL statement but does not find a matching plan in the SQL plan baseline. Which two operations are performed by the optimizer in this scenario?（）

    • A、The optimizer adds the new plan to the plan history.
    • B、The optimizer selects the new plan for the execution of the SQL statement.
    • C、The optimizer adds the new plan to the SQL plan baseline as an accepted plan.
    • D、The optimizer adds the new plan to the SQL plan baseline but not in the ENABLED state.
    • E、The optimizer costs each of the accepted plans in the SQL plan baseline and picks the one with the lowest cost.

    正确答案:A,E

  • 第19题：

    多选题
    Which two statements about the SQL Management Base (SMB) are true?（）
    A

    It contains only SQL profiles generated by SQL Tuning Advisor.

    B

    It stores plans generated by the optimizer using a stored outline.

    C

    It is part of the data dictionary and stored in the SYSAUX tablespace.

    D

    It is part of the data dictionary and stored in the SYSTEM tablespace.

    E

    It contains the statement log, the plan history, plan baselines, and SQL profiles.


    正确答案： D,B
    解析： 暂无解析

  • 第20题：

    多选题
    Which two statements about the SQL Management Base (SMB) are true? （）(Choose two.)
    A

    It contains only SQL profiles generated by SQL Tuning Advisor.

    B

    It stores plans generated by the optimizer using a stored outline.

    C

    It is part of the data dictionary and stored in the SYSAUX tablespace.

    D

    It is part of the data dictionary and stored in the SYSTEM tablespace.

    E

    It contains the statement log, the plan history, plan baselines, and SQL profiles.


    正确答案： D,A
    解析： 暂无解析

  • 第21题：

    多选题
    While deploying a new application module, the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences?（）
    A

    The plan baselines can be evolved over time to produce better performance.

    B

    The newly generated plans are directly placed into the SQL plan baseline without being verified.

    C

    The new SQL statements initially run with the plans that are known to produce good performance under standard test configuration.

    D

    The optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported.


    正确答案： C,A
    解析： 暂无解析

  • 第22题：

    多选题
    Identify the activities performed as part of the Automatic SQL Tuning process in the maintenance window?（）
    A

    generating the SQL profile

    B

    testing and accepting the SQL profile

    C

    generating a list of candidate SQLs for tuning

    D

    adding tuned SQL plans into the SQL plan baseline

    E

    tuning each SQL statement in the order of importance

    F

    generating baselines that include candidate SQLs for tuning


    正确答案： B,A
    解析： 暂无解析

  • 第23题：

    多选题
    Identify the two direct sources from where SQL plans can be loaded into the SQL plan baselines.（）
    A

    Cursor cache

    B

    Stored outline

    C

    SQL Tuning Set

    D

    Automatic Workload Repository （AWR） snapshots


    正确答案： D,B
    解析： 暂无解析

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