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.

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.

相关考题:

Which two statements regarding a SQL profile are true?() A. It is built by Automatic Tuning Optimizer.B. It cannot be stored persistently in the data dictionary.C. It can be used by the query optimizer automatically.D. It can be created manually by using the CREATE PROFILE command.

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.

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.

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

Which three statements are true about adaptive SQL plan management?() A. It automatically performs verification or evolves non-accepted plans, in COMPREHENSIVE mode when they perform better than existing accepted plans.B. The optimizer always uses the fixed plan, if the fixed plan exists in the plan baseline.C. It adds new, bettor plans automatically as fixed plans to the baseline.D. The non-accepted plans are automatically accepted and become usable by the optimizer if they perform better than the existing accepted plans.E. The non-accepted plans in a SQL plan baseline are automatically evolved, in COMPREHENSIVE mode, during the nightly maintenance window and a persistent verification report is generated.

Which is the source used by Automatic SQL Tuning that runs as part of the AUTOTASK framework? ()A、SQL statements that are part of the AWR baseline only B、SQL statements based on the AWR top SQL identificationC、SQL statements that are part of the available SQL Tuning Set (STS) only D、SQL statements that are available in the cursor cache and executed by a user other than SYS

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.

When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics. Which two statements describe the implications of this? ()(Choose two.)A、It produces less accurate results of the comparison analysis.B、It automatically calls the SQL Tuning Advisor for recommendations.C、It shortens the time of execution and reduces the impact on system resources.D、Only the changes in the execution plan, and not performance regression, are detected.

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.

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.

Which two statements regarding a SQL profile are true?()A、 It is built by Automatic Tuning Optimizer.B、 It cannot be stored persistently in the data dictionary.C、 It can be used by the query optimizer automatically.D、 It can be created manually by using the CREATE PROFILE command.

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.

What happens when you run the SQL Tuning Advisor with limited scope?()A、Access pathanalysis 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.

Which three statements are true about adaptive SQL plan management?()A、It automatically performs verification or evolves non-accepted plans, in COMPREHENSIVE mode when they perform better than existing accepted plans.B、The optimizer always uses the fixed plan, if the fixed plan exists in the plan baseline.C、It adds new, bettor plans automatically as fixed plans to the baseline.D、The non-accepted plans are automatically accepted and become usable by the optimizer if they perform better than the existing accepted plans.E、The non-accepted plans in a SQL plan baseline are automatically evolved, in COMPREHENSIVE mode, during the nightly maintenance window and a persistent verification report is generated.

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.

多选题Which two statements about the SQL Management Base (SMB) are true?()AIt contains only SQL profiles generated by SQL Tuning Advisor.BIt stores plans generated by the optimizer using a stored outline.CIt is part of the data dictionary and stored in the SYSAUX tablespace.DIt is part of the data dictionary and stored in the SYSTEM tablespace.EIt contains the statement log, the plan history, plan baselines, and SQL profiles.

多选题Which three statements about performance analysis by SQL Performance Analyzer are true? ()(Choose three.)AIt detects changes in SQL execution plans.BIt produces results that can be used to create the SQL plan baseline.CThe importance of SQL statements is based on the size of the objects accessed.DIt generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.EIt shows only the overall impact on workload and not the net SQL impact on workload.

多选题Which two statements about the SQL Management Base (SMB) are true? ()(Choose two.)AIt contains only SQL profiles generated by SQL Tuning Advisor.BIt stores plans generated by the optimizer using a stored outline.CIt is part of the data dictionary and stored in the SYSAUX tablespace.DIt is part of the data dictionary and stored in the SYSTEM tablespace.EIt contains the statement log, the plan history, plan baselines, and SQL profiles.

单选题Which statement is true when you run the SQL Tuning Advisor with limited scope?()AAccess path analysis is not performed for the SQL statements.BSQL structure analysis is not performed for the SQL statements.CSQL Profile recommendations are not generated for the SQL statements.DThe staleness and absence of the statistics are not checked for the objects in the query supplied to the SQL Tuning Advisor.

单选题Which is the source used by Automatic SQL Tuning that runs as part of the AUTOTASK framework? ()ASQL statements that are part of the AWR baseline only BSQL statements based on the AWR top SQL identificationCSQL statements that are part of the available SQL Tuning Set (STS) only DSQL statements that are available in the cursor cache and executed by a user other than SYS

多选题Which two statements regarding a SQL profile are true?()AIt is built by Automatic Tuning Optimizer.BIt cannot be stored persistently in the data dictionary.CIt can be used by the query optimizer automatically.DIt can be created manually by using the CREATE PROFILE command.

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?()AThe plan baselines can be evolved over time to produce better performance.BThe newly generated plans are directly placed into the SQL plan baseline without being verified.CThe new SQL statements initially run with the plans that are known to produce good performance under standard test configuration.DThe optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported.

多选题What happens when you run the SQL Tuning Advisor with limited scope?()AAccess pathanalysis is not performed for SQL statements.BSQL structure analysis is not performed for SQL statements.CSQL Profile recommendations are not generated for SQL statements.DStaleness 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.

多选题When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics. Which two statements describe the implications of this? ()(Choose two.)AIt produces less accurate results of the comparison analysis.BIt automatically calls the SQL Tuning Advisor for recommendations.CIt shortens the time of execution and reduces the impact on system resources.DOnly the changes in the execution plan, and not performance regression, are detected.

多选题Which three statements about performance analysis by SQL Performance Analyzer are true?()AIt detects changes in SQL execution plans.BIt produces results that can be used to create the SQL plan baseline.CThe importance of SQL statements is based on the size of the objects accessed.DIt generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.EIt shows only the overall impact on workload and not the net SQL impact on workload.

多选题Which three are the valid statements in relation to SQL plan baselines?()AThe plans can be manually loaded to the SQL plan baseline.BThe plans in the SQL plan baseline are verified and accepted plans.CThe plans generated for every SQL statement are stored in the SQL plan baseline by default.DThe 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.

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.