第95题-OCP认证062考试题库2019最新考题解析

文章来源：更新时间:2019/7/12 10:34:22

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2018年的时候，OCP 11g考试题库大更新，052 053出现了很多新题，

2019年，11g即将停考的前期，Oracle又出现了一次大变动，12c出现了很多新题，比如062 063题库大更新

OCP解析公开课时间：【每周五晚8点】

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QUESTION 95

Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyze impact on the performance of SQL statements.

A. Change in t he Oracle Database version

B. Change in your network infrastructure

C. Change in t he hardware configuration of t he database server

D. Migration of database storage from non-ASM to ASM storage

E. Database and operating system upgrade

Correct Answer: ACE

(解析：用性能分析器可以对以下内容进行测试：

* (E) Database, operating system, or hardware upgrades.

* (A,C) Database, operating system, or hardware configuration changes.

* Database initialization parameter changes.

* Schema changes, such as adding indexes or materialized views.

* Refreshing optimizer statistics.

* Creating or changing SQL profiles.

)