Which statement is true when you run the SQL Tuning Advisor 

题目
单选题
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.

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相似问题和答案

第1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2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

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:

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

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:

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.

正确答案:B,D

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:

You run the SQL Tuning Advisor (STA) to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement, which recommends that you accept the profile. Which statement is true when you accept the suggested SQL profile?()

A. The tuned plan is not added to the SQL plan baseline.

B. The tuned plan is added to the fixed SQL plan baseline as a fixed plan.

C. The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.

D. The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.


参考答案:C

第9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

正确答案:C,D

第10题:

You are creating a SQL Tuning Set to allow a group of SQL statements to be passed into the SQL Tuning Advisor. Which packages will you use to create the SQL Tuning Set?()

  • A、 DBMS_WORKLOAD_REPOSITORY
  • B、 DBMS_RESOURCE_MANAGER
  • C、 DBMS_SQLTUNE
  • D、 DBMS_ADVISOR

正确答案:C

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