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.BI

第1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.

第2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.

第3题：

第4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.

第5题：

What two statements are true regarding the recommendations received from the SQL Access Advisor?（）(Choose two.)

• A、It cannot generate recommendations that support multiple workload queries.
• B、It can recommend partitioning on tables provided that the workloads have some predicates and joins on the columns of the NUMBER or DATE type.
• C、It can recommend partitioning only on tables that have at least 10,000 rows.
• D、It can recommend only B-tree indexes and not bitmap or function-based indexes

第6题：

Which two of these statements best describe fast secure roaming？ （Choose two.）（）  

• A、 available only in autonomous APs
• B、 available in autonomous and lightweight APs
• C、 a feature of WDS in autonomous APs
• D、 a feature of WDS in lightweight APs
• E、 requires at least one AP and one Wireless LAN Services Module

第7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.

第8题：

第9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
• B、 the execution plan
• C、 the execution context
• D、 the execution frequency
• E、 the system change number （SCN）

第10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.