单选题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

题目
单选题
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

参考答案和解析
正确答案: B
解析: 暂无解析
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相似问题和答案

第1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2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3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4题:

You want to use the SQL Tuning Advisor to generate recommendations for badly written SQL statements in your development environment. Which three sources can you select for the advisor to analyze?()

  • A、 Top SQL
  • B、 snapshots
  • C、 SQL Tuning sets
  • D、 index access path
  • E、 optimizer statistics
  • F、 materialized view logs

正确答案:A,C,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:

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7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8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9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10题:

Which of the following advisors within the Oracle advisory framework will analyze a single SQL statement and make recommendations for performance improvement?()

  • A、SQL Repair Advisor
  • B、SQL Optimizer
  • C、SQL Access Advisor
  • D、SQL Tuning Advisor

正确答案:D

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