You run the SQL Tuning Advisor （STA） to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement，which recommends that you accept the profile.  Which statement is true when you accept the sugge

题目

You run the SQL Tuning Advisor （STA） to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement，which recommends that you accept the profile.  Which statement is true when you accept the suggested SQL profile？（）  

  • A、 The tuned plan is not added to the SQL plan baseline.
  • B、 The tuned plan is added to the fixed SQL plan baseline as a fixed plan.
  • C、 The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.
  • D、 The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.
相似考题

1.View the Exhibit to examine the Automatic SQL Tuning result details.Which action would you suggest for the selected SQL statement in the Exhibit?()A. Accept the recommended SQL profile.B.Collect statistics for the related objects.C. Run the Access Advisor for the SQL statement.D. Run the Segment Advisor for recommendations.

2.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.

3.Which two statements are true regarding the SQL Repair Advisor？（） A、 The SQL Repair Advisor can be invoked to tune the performance of the regressed SQL statements.B、 The SQL Repair Advisor can be invoked even when the incident is not active for a SQL statement crash.C、 The SQL Repair Advisor is invoked by the Health Monitor when it encounters the problematic SQL statement.D、 The DBA can invoke the SQL Repair Advisor when he or she receives an alert generated when a SQL statement crashes and an incident is created in the ADR.

4.Which two statements are true regarding the SQL Repair Advisor?()A. The SQL Repair Advisor can be invoked to tune the performance of the regressed SQL statements.B. The SQL Repair Advisor can be invoked even when the incident is not active for a SQL statement crash.C. The SQL Repair Advisor is invoked by the Health Monitor when it encounters the problematic SQL statement.D. The DBA can invoke the SQL Repair Advisor when he or she receives an alert generated when a SQL statement crashes and an incident is created in the ADR.

参考答案和解析
正确答案:C
更多“You run the SQL Tuning Advisor （STA） to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement，which recommends that you accept the profile.  Which statement is true when you accept the sugges”相关问题

  • 第1题：

    You accepted the recommended SQL Profile by executing the following code：   DECLARE   sqlprofile_name varchar2（30）；  BEGIN   sqlprofile_name ：= DBMS_SQLTUNE.ACCEPT_SQL_PROFILE（  task_name => ’my_task’，   profile_name => ’my_profile’）；   END；   Which advisor will analyze this profile？（）  

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

    正确答案:D

  • 第2题：

    Which of the following identifies and creates an index to minimize the DB time for a particular SQL statement？（）  

    • A、 The SGA Tuning Advisor
    • B、 The SQL Access Advisor
    • C、 The SQL Tuning Advisor
    • D、 The Memory Advisor

    正确答案:C

  • 第3题：

    You work with a newly created database. Presently, there is no application load on the database instance.You want to create a baseline for tuning the application, so you decide to collect recommendations that can be implemented to improve application performance.What action must you take to achieve this?（）

    • A、Run Segment Advisor
    • B、Run the SQL Tuning Advisor (STA)
    • C、Run the Automatic Workload Repository (AWR) report
    • D、Run the SQL Access Advisor with a hypothetical workload

    正确答案:D

  • 第4题：

    Which of the following advisors within the Oracle advisory framework will analyze a single SQL statement and make recommendations for performance improvement?（）

    • A、SQL Repair Advisor
    • B、SQL Optimizer
    • C、SQL Access Advisor
    • D、SQL Tuning Advisor

    正确答案:D

  • 第5题：

    Which of the following cannot be used as input to the SQL Tuning Advisor?（） (Choose all that apply.)

    • A、A single SQL statement provided by a user
    • B、An existing SQL Tuning Set (STS)
    • C、A preprocessed Database Replay workload
    • D、A schema name
    • E、SQL statement identified in EM as using excessive resources

    正确答案:C,D

  • 第6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7题：

    You received complaints about the degradation of SQL query performance. You identified top SQL queries that consume time. What would be your next step to find out recommendations about statistics collection and restructuring of the SQL statement to improve query performance？（）

    • A、run Segment Advisor
    • B、run SQL Tuning Advisor on top SQL statements
    • C、run the Automatic Workload Repository （AWR） report
    • D、run the Automatic Database Diagnostic Monitor （ADDM）on top SQL statements

    正确答案:B

  • 第8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9题：

    单选题
    What happens when you run the SQL Tuning Advisor with limited scope？（）
    A

     Access path analysis is not performed for SQL statements.

    B

     SQL structure analysis is not performed for SQL statements.

    C

     SQL Profile recommendations are not generated for SQL statements.

    D

     Staleness and absence of statistics are not checked for the objects in the SQL Tuning Advisor.


    正确答案： A
    解析： 暂无解析

  • 第10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11题：

    多选题
    What happens when you run the SQL Tuning Advisor with limited scope?（）
    A

    Access path analysis is not performed for SQL statements.

    B

    SQL structure analysis is not performed for SQL statements.

    C

    SQL Profile recommendations are not generated for SQL statements.

    D

    Staleness and absence of statistics are not checked for the objects in the SQL Tuning Advisor. In this case, SQL Tuning Advisor produces recommendations based on statistical checks, access path analysis, and SQL structure analysis. SQL profile recommendations are not generated.


    正确答案： D,A
    解析： 暂无解析

  • 第12题：

    多选题
    Which of the following cannot be used as input to the SQL Tuning Advisor？（）
    A

    A single SQL statement provided by a user

    B

    An existing SQL Tuning Set （STS）

    C

    A preprocessed Database Replay workload

    D

    A schema name

    E

    SQL statement identified in EM as using excessive resources


    正确答案： C,D
    解析： 暂无解析

  • 第13题：

    You run the SQL Tuning Advisor (STA) to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement, which recommends that you accept the profile. Which statement is true when you accept the suggested SQL profile?（）

    • A、The tuned plan is not added to the SQL plan baseline.
    • B、The tuned plan is added to the fixed SQL plan baseline as a fixed plan.
    • C、The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.
    • D、The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.

    正确答案:C

  • 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 statement is true when you run the SQL Tuning Advisor with limited scope？（）

    • A、Access path analysis is not performed for the SQL statements.
    • B、SQL structure analysis is not performed for the SQL statements.
    • C、SQL Profile recommendations are not generated for the SQL statements.
    • D、The staleness and absence of the statistics are not checked for the objects in the query supplied to the SQL Tuning Advisor.

    正确答案:C

  • 第16题：

    What happens when you run the SQL Tuning Advisor with limited scope？（）  

    • A、 Access path analysis is not performed for SQL statements.
    • B、 SQL structure analysis is not performed for SQL statements.
    • C、 SQL Profile recommendations are not generated for SQL statements.
    • D、 Staleness and absence of statistics are not checked for the objects in the SQL Tuning Advisor.

    正确答案:B

  • 第17题：

    What happens when you run the SQL Tuning Advisor with limited scope?（）

    • A、Access path analysis is not performed for SQL statements.
    • B、SQL structure analysis is not performed for SQL statements.
    • C、SQL Profile recommendations are not generated for SQL statements.
    • D、Staleness and absence of statistics are not checked for the objects in the SQL Tuning Advisor. In this case, SQL Tuning Advisor produces recommendations based on statistical checks, access path analysis, and SQL structure analysis. SQL profile recommendations are not generated.

    正确答案:B,C

  • 第18题：

    Which three statements about performance analysis by SQL Performance Analyzer are true？（）

    • A、 It detects changes in SQL execution plans.
    • B、 It produces results that can be used to create the SQL plan baseline.
    • C、 The importance of SQL statements is based on the size of the objects accessed.
    • D、 It generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.
    • E、 It shows only the overall impact on workload and not the net SQL impact on workload.

    正确答案:A,B,D

  • 第19题：

    Which of the following cannot be used as input to the SQL Tuning Advisor？（）

    • A、 A single SQL statement provided by a user
    • B、 An existing SQL Tuning Set （STS）
    • C、 A preprocessed Database Replay workload
    • D、 A schema name
    • E、 SQL statement identified in EM as using excessive resources

    正确答案:C,D

  • 第20题：

    单选题
    You accepted the recommended SQL Profile by executing the following code：   DECLARE   sqlprofile_name varchar2（30）；  BEGIN   sqlprofile_name ：= DBMS_SQLTUNE.ACCEPT_SQL_PROFILE（  task_name => ’my_task’，   profile_name => ’my_profile’）；   END；   Which advisor will analyze this profile？（）
    A

     SQL Access Advisor

    B

     Undo Advisor

    C

     Segment Advisor

    D

     SQL Tuning Advisor


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    You run the SQL Tuning Advisor （STA） to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement，which recommends that you accept the profile.  Which statement is true when you accept the suggested SQL profile？（）
    A

     The tuned plan is not added to the SQL plan baseline.

    B

     The tuned plan is added to the fixed SQL plan baseline as a fixed plan.

    C

     The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.

    D

     The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    Which statement is true when you run the SQL Tuning Advisor with limited scope？（）
    A

    Access path analysis is not performed for the SQL statements.

    B

    SQL structure analysis is not performed for the SQL statements.

    C

    SQL Profile recommendations are not generated for the SQL statements.

    D

    The staleness and absence of the statistics are not checked for the objects in the query supplied to the SQL Tuning Advisor.


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    Which of the following identifies and creates an index to minimize the DB time for a particular SQL statement？（）
    A

     The SGA Tuning Advisor

    B

     The SQL Access Advisor

    C

     The SQL Tuning Advisor

    D

     The Memory Advisor


    正确答案： D
    解析： 暂无解析

  • 第24题：

    多选题
    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： D,B
    解析： 暂无解析

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