单选题While tuning a SQL statement, the SQL Tuning Advisor finds an existing SQL profile for the statement that has stale statistics available. What would the optimizer do in this situation?（）A It updates the existing SQL profiles with current statistics.B I

题目
单选题
While tuning a SQL statement, the SQL Tuning Advisor finds an existing SQL profile for the statement that has stale statistics available. What would the optimizer do in this situation?（）
A

It updates the existing SQL profiles with current statistics.

B

It makes the statistics information available to GATHER_STATS_JOB

C

It initiates the statistics collection process by running GATHER_STATS_JOB

D

It logs a warning message in the alert log so that the DBA can perform statistics collection manually.

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 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 userB. An existing SQL Tuning Set (STS)C. A preprocessed Database Replay workloadD. A schema nameE. SQL statement identified in EM as using excessive resources

4.The SQL Tuning Advisor has been configured with default configurations in your database instance.Which recommendation is automatically implemented without the DBA‘s intervention after the SQL Tuning Advisor is run as part of the AUTOTASK framework?（）A. statistics recommendationsB. SQL profile recommendationsC. index-related recommendationsD. restructuring of SQL recommendations

更多“单选题While tuning a SQL statement, the SQL Tuning Advisor finds an existing SQL profile for the statement that has stale statistics available. What would the optimizer do in this situation?（）A It updates the existing SQL profiles with current statistics.B I”相关问题

  • 第1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


    参考答案：C

  • 第2题：

    While tuning a SQL statement, the SQL Tuning Advisor finds an existing SQL profile for the statement that has stale statistics available. What would the optimizer do in this situation?（）

    • A、It updates the existing SQL profiles with current statistics.
    • B、It makes the statistics information available to GATHER_STATS_JOB
    • C、It initiates the statistics collection process by running GATHER_STATS_JOB
    • D、It logs a warning message in the alert log so that the DBA can perform statistics collection manually.

    正确答案:B

  • 第3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4题：

    The SQL Tuning Advisor configuration has default settings in your database instance. Which recommendation is automatically implemented after the SQL Tuning Advisor is run as part of the automatic maintenance task?（）

    • A、statistics recommendations
    • B、SQL Profile recommendations
    • C、Index-related recommendations
    • D、restructuring of SQL recommendations

    正确答案:B

  • 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 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7题：

    单选题
    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
    解析： 暂无解析

  • 第8题：

    多选题
    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： E,C
    解析： 暂无解析

  • 第9题：

    单选题
    While tuning a SQL statement, the SQL Tuning Advisor finds an existing SQL profile for the statement that has stale statistics available. What would the optimizer do in this situation?（）
    A

    It updates the existing SQL profiles with current statistics

    B

    It makes the statistics information available to GATHER_STATS_JOB

    C

    It initiates the statistics collection process by running GATHER_STATS_JOB

    D

    It logs a warning message in the alert log so that the DBA can perform statistics collection manually


    正确答案： A
    解析： 暂无解析

  • 第10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11题：

    单选题
    The SQL Tuning Advisor configuration has default settings in your database instance.  Which recommendation is automatically implemented after the SQL Tuning Advisor is run as part of the automatic maintenance task？（）
    A

     statistics recommendations

    B

     SQL Profile recommendations

    C

     Index-related recommendations

    D

     restructuring of SQL recommendations


    正确答案： B
    解析： 暂无解析

  • 第12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： C
    解析： 暂无解析

  • 第13题：

    While tuning a SQL statement, the SQL Tuning Advisor finds an existing SQL profile for the statement that has stale statistics available. What would the optimizer do in this situation?（）

    • A、It updates the existing SQL profiles with current statistics
    • B、It makes the statistics information available to GATHER_STATS_JOB
    • C、It initiates the statistics collection process by running GATHER_STATS_JOB
    • D、It logs a warning message in the alert log so that the DBA can perform statistics collection manually

    正确答案:B

  • 第14题：

    The SQL Tuning Advisor has been configured with default configurations in your database instance. Which recommendation is automatically implemented without the DBA’s intervention after the SQL Tuning Advisor is run as part of the AUTOTASK framework？（）

    • A、 statistics recommendations
    • B、 SQL profile recommendations
    • C、 index-related recommendations
    • D、 restructuring of SQL recommendations

    正确答案:B

  • 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 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19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20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21题：

    单选题
    While tuning a SQL statement, the SQL Tuning Advisor finds an existing SQL profile for the statement that has stale statistics available. What would the optimizer do in this situation?（）
    A

    It updates the existing SQL profiles with current statistics.

    B

    It makes the statistics information available to GATHER_STATS_JOB

    C

    It initiates the statistics collection process by running GATHER_STATS_JOB

    D

    It logs a warning message in the alert log so that the DBA can perform statistics collection manually.


    正确答案： C
    解析： 暂无解析

  • 第22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23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24题：

    单选题
    The SQL Tuning Advisor has been configured with default configurations in your database instance. Which recommendation is automatically implemented without the DBA’s intervention after the SQL Tuning Advisor is run as part of the AUTOTASK framework？（）
    A

     statistics recommendations

    B

     SQL profile recommendations

    C

     index-related recommendations

    D

     restructuring of SQL recommendations


    正确答案： A
    解析： 暂无解析

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