What happens when you run the SQL Tuning Advisor with limite

题目
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.

参考答案和解析
正确答案: A
解析: 暂无解析
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相似问题和答案

第1题:

Your database supports a DSS workload that involves the execution of complex queries: Currently, the library cache contains the ideal workload for analysis. You want to analyze some of the queries for an application that are cached in the library cache.What must you do to receive recommendations about the efficient use of indexes and materialized views to improve query performance?()

A. Create a SQL Tuning Set (STS) that contains the queries cached in the library cache and run the SQL Tuning Advisor (STA) on the workload captured in the STS.

B. Run the Automatic Workload Repository Monitor (ADDM).

C. Create an STS that contains the queries cached in the library cache and run the SQL Performance Analyzer (SPA) on the workload captured in the STS.

D. Create an STS that contains the queries cached in the library cache and run the SQL Access Advisor on the workload captured in the STS.


参考答案:D

第2题:

You are maintaining the SALES database for eSoft Corporation. You have not configured ASMM on the database. You want to know what size of the SGA will provide the best performance.  Which advisor would you use to determine the suitable size of the SGA?()

  • A、 SQL Tuning Advisor
  • B、 Undo Advisor
  • C、 ADDM
  • D、 Memory Advisor

正确答案:D

第3题:

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.


参考答案:C

第4题:

Automatic Shared Memory Management is disabled for your database instance. You realize that thereare cases of SQL statements performing poorly because of repeated parsing activity, resulting indegradation of performance.  What would be your next step to improve performance? ()

  • A、Run the SQL Access Advisor.
  • B、Run the Memory Advisor for the sga.
  • C、Run the Memory Advisor for the pga.
  • D、Run the Memory Advisor for the shared pool.
  • E、Run the Memory Advisor for the buffer cache.

正确答案:D

第5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6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7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8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


参考答案:B

第9题:

Automatic Shared Memory Management is disabled for your database instance. You realize that there arecases of SQL statements performing poorly because of repeated parsing activity, resulting in degradation ofperformance.  What would be your next step to improve performance()

  • A、Run the SQL Access Advisor.
  • B、Run the Memory Advisor for the sga
  • C、Run the Memory Advisor for the pga.
  • D、Run the Memory Advisor for the shared pool.
  • E、Run the Memory Advisor for the buffer cache

正确答案:D

第10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

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