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多选题
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.
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更多 “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.” 相关考题
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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.
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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 executionB.The SQL statements in the STS are executed concurrently to produce the execution plan and execution statisticsC.The execution plan and execution statistics are computed for each SQL statement in the STSD.The effects of DDL and DML are considered to produce the execution plan and execution statistics
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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.
考题
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.
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Which of these appropriately describes the results of a manual SQL Tuning Advisor task?（）A、A list of SQL statements and recommendations for tuningB、A list of SQL statements that have been tuned by the Advisor, with before and after metricsC、Graphs showing the actual performance improvement made by the Advisor after it implemented the recommended changesD、All of the above
考题
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.)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.
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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.
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You are maintaining the PROD database of NetFx Corporation. You set the value of the SQL_TRACE parameter to TRUE. What will be the impact of this setting？（） A、 The SQL trace facility will generate the performance statistics for all the SQL statements for an instance and write them in the USER_DUMP_DEST directory.B、 The SQL trace facility will generate the performance statistics for all the SQL statements for a session and write them in the USER_DUMP_DEST directory.C、 The SQL trace facility will generate the performance statistics for all the SQL statements for an instance and write them in the BACKGROUND_DUMP_DEST directory.D、 The SQL trace facility will generate the performance statistics for all the SQL statements for a session and write them in the BACKGROUND_DUMP_DEST directory.
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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.
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You plan to use SQL Performance Analyzer to analyze the SQL workload. You created a SQL Tuning Set as a part of the workload capturing. What information is captured as part of this process？（）A、 the SQL textB、 the execution planC、 the execution contextD、 the execution frequencyE、 the system change number （SCN）
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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.
考题
You execute the following commands to audit database activities: SQL ALTER SYSTEM SET AUDIT_TRIAL=DB, EXTENDED SCOPE=SPFILE; SQL AUDIT SELECT TABLE, INSERT TABLE, DELETE TABLE BY JOHN By SESSION WHENEVER SUCCESSFUL; Which statement is true about the audit record that generated when auditing after instance restarts?（）A、One audit record is created for every successful execution of a SELECT, INSERT OR DELETE command on a table, and contains the SQL text for the SQL Statements.B、One audit record is created for every successful execution of a SELECT, INSERT OR DELETE command, and contains the execution plan for the SQL statements.C、One audit record is created for the whole session if john successfully executes a SELECT, INSERT, or DELETE command, and contains the execution plan for the SQL statements.D、One audit record is created for the whole session if JOHN successfully executes a select command, and contains the SQL text and bind variables used.E、One audit record is created for the whole session if john successfully executes a SELECT, INSERT,or DELETE command on a table, and contains the execution plan, SQL text, and bind variables used.
考题
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.
考题
When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics. Which two statements describe the implications of this?（）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.
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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
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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 executionB、The SQL statements in the STS are executed concurrently to produce the execution plan and execution statisticsC、The execution plan and execution statistics are computed for each SQL statement in the STSD、The effects of DDL and DML are considered to produce the execution plan and execution statistics
考题
You plan to use SQL Performance Analyzer to analyze the SQL workload. You created a SQL Tuning Set as a part of the workload capturing. What information is captured as part of this process?（）A、the SQL text SQLB、the execution planC、the execution contextD、the execution frequencyE、the system change number (SCN)
考题
多选题You plan to use SQL Performance Analyzer to analyze the SQL workload. You created a SQL Tuning Set as a part of the workload capturing. What information is captured as part of this process?（）Athe SQL text SQLBthe execution planCthe execution contextDthe execution frequencyEthe system change number (SCN)
考题
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?（）AEvery SQL statement in the STS is considered only once for executionBThe SQL statements in the STS are executed concurrently to produce the execution plan and execution statisticsCThe execution plan and execution statistics are computed for each SQL statement in the STSDThe effects of DDL and DML are considered to produce the execution plan and execution statistics
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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.
考题
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?（）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.
考题
多选题Which two statements are true regarding the SQL Repair Advisor？（）AThe SQL Repair Advisor can be invoked to tune the performance of the regressed SQL statements.BThe SQL Repair Advisor can be invoked even when the incident is not active for a SQL statement crash.CThe SQL Repair Advisor is invoked by the Health Monitor when it encounters the problematic SQL statement.DThe 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.
考题
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.
考题
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.（）AChange in the Oracle Database versionBChange in your network infrastructureCChange in the hardware configuration of the database serverDMigration of database storage from non-ASM to ASM storageEDatabase and operating system upgrade
考题
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.
考题
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？（）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.
考题
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？（）AEvery SQL statement in the STS is considered only once for execution.BThe SQL statements in the STS are executed concurrently to produce the execution plan and execution statistics.CThe execution plan and execution statistics are computed for each SQL statement in the STS.DThe effects of DDL and DML are considered to produce the execution plan and execution statistics.
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