Which of the following is a potential performance tuning recommendation from the SQL Access Advisor?()  A、 Create new indexes.B、 Modify existing indexes.C、 Implement partitioning on a nonpartitioned table.D、 Create materialized views.E、 All of the above

题目

Which of the following is a potential performance tuning recommendation from the SQL Access Advisor?()  

  • A、 Create new indexes.
  • B、 Modify existing indexes.
  • C、 Implement partitioning on a nonpartitioned table.
  • D、 Create materialized views.
  • E、 All of the above
参考答案和解析
正确答案:E
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相似问题和答案

第1题:

Which of the following is a potential performance tuning recommendation from the SQL Access Advisor?()

A. Create new indexes.

B. Modify existing indexes.

C. Implement partitioning on a nonpartitioned table.

D. Create materialized views.

E. All of the above


参考答案:E

第2题:

Using the following information: Performance data from an existing system that a new system will replace; Performance estimates that anticipate future workloads; Micro-partitioning and logical partitioning implementations. Which of the following allows a technical sales representative to create a system design which can be imported into an HMC?()

  • A、IBMeConfig
  • B、IBM Performance Monitor
  • C、IBM Workload Estimator (WLE)
  • D、IBM System Planning Tool (SPT)

正确答案:D

第3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


参考答案:C, D

第4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.

正确答案:D

第5题:

Which of these appropriately describes the results of a manual SQL Tuning Advisor task?()  

  • A、 A list of SQL statements and recommendations for tuning
  • B、 A list of SQL statements that have been tuned by the Advisor,with before and after metrics 
  • C、 Graphs showing the actual performance improvement made by the Advisor after it implemented the recommended changes
  • D、 All of the above

正确答案:A

第6题:

In Oracle 11g, which recommendations does the SQL Access Advisor generate? ()(Choose all that apply.)

A. partitioning recommendations

B. statistics collection recommendations

C. index creation recommendations

D. materialized view recommendations

E. materialized view log recommendations


参考答案:A, C, D, E

第7题:

You have a very large table that your users access frequently. Which of the following advisors will recommend any indexes to improve the performance of queries against this table?()

  • A、The Automatic Memory Manager (AMM)
  • B、The SQL Tuning Advisor
  • C、The Segment Advisor
  • D、The SQL Access Advisor SQL

正确答案:D

第8题:

Which of these appropriately describes the results of a manual SQL Tuning Advisor task?()

A. A list of SQL statements and recommendations for tuning

B. A list of SQL statements that have been tuned by the Advisor, with before and after metrics

C. Graphs showing the actual performance improvement made by the Advisor after it implemented the recommended changes

D. All of the above


参考答案:A

第9题:

Which of these appropriately describes the results of a manual SQL Tuning Advisor task?()

  • A、A list of SQL statements and recommendations for tuning
  • B、A list of SQL statements that have been tuned by the Advisor, with before and after metrics
  • C、Graphs showing the actual performance improvement made by the Advisor after it implemented the recommended changes
  • D、All of the above

正确答案:A

第10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

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