1Z0-084 Exam Dumps | For which two actions can SQL Performance Analyzer be used to assess the impact of changes to SQL performance?

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Question 4/24

For which two actions can SQL Performance Analyzer be used to assess the impact of changes to SQL performance?

A. storage, network, and interconnect changes

B. operating system upgrades

C. changes to database initialization parameters

D. database consolidation for pluggable databases (PDBs)

E. operating system and hardware migrations

Correct Answer: C,D

SQL Performance Analyzer (SPA) can be used to assess the impact of different types of changes on SQL performance. These changes can include database initialization parameters, which can significantly affect how SQL statements are executed and therefore their performance. SPA allows you to capture a workload before and after the change and compare the performance of each SQL statement.
Database consolidation, including moving to pluggable databases (PDBs), can also affect SQL performance.
SPA can analyze the SQL workload to see how consolidation impacts performance, by comparing metrics such as elapsed time and CPU time before and after the consolidation.
References:
* Oracle Database SQL Tuning Guide, 19c
* Oracle Database Performance Tuning Guide, 19c

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