CMS专题
单选题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 sug
题目
The tuned plan is not added to the SQL plan baseline.
The tuned plan is added to the fixed SQL plan baseline as a fixed plan.
The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.
The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.
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.
第2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3题：
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.
第4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5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 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.
第9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