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Question 1

Which tool can be used to identify inefficient SQL statements and tune them for improved performance?

Options :

A : SQL*Plus

B : AWR Report

C : Oracle Enterprise Manager

D : Explain Plan

Answer: D

Question 2

Which of the following best describes the purpose of the buffer cache in Oracle Database?

Options :

A : To store copies of data blocks read from disk, reducing disk IO

B : To store the SQL statements executed by the database, optimizing query performance

C : To store copies of frequently accessed tables and indexes, improving response time

D : To store metadata about the database objects, facilitating efficient data access

Answer: A

Question 3

Which method should be used to diagnose and analyze the performance of an Oracle Database using the Automatic Database Diagnostic Monitor (ADDM)?

Options :

A : Query the V$ACTIVE_SESSION_HISTORY view

B : Query the V$SQL_MONITOR view

C : Use the SQL Tuning Advisor

D : Use the SQL Performance Analyzer

Answer: B

Question 4

Which feature is used to improve the performance of SQL queries by caching the result set of the query in memory?

Options :

A : Query Result Cache

B : Database Buffer Cache

C : Shared Pool

D : In-Memory Column Store

Answer: A

Question 5

Which statement regarding SQL Plan Management (SPM) is true?

Options :

A :

SPM automatically creates and maintains execution plans for SQL statements.

B : SPM requires the OPTIMIZER_FEATURES_ENABLE initialization parameter to be set to the current Oracle Database release level.

C : SPM captures execution plans and uses them to compare with new plans generated for the same SQL statement.

D : SPM automatically updates execution plans based on changes in the database environment.

Answer: C