Free Oracle 1Z0-084 Exam Questions

Become Oracle Certified with updated 1Z0-084 exam questions and correct answers

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Total 378 Questions | Updated On: Aug 12, 2026

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Question 1

Which of the following is a benefit of using the Automatic SQL Tuning feature in Oracle Database 19c?

A : It automatically identifies and tunes high-load SQL statements

B : It enables the creation of SQL profiles for better plan stability

C : It provides real-time SQL monitoring for optimizing query execution

D : It automatically enables the SQL plan directives feature

Answer: A

Question 2

When using Automatic Memory Management in Oracle Database 19c, what is the purpose of the MEMOPTIMIZE_POOL_SIZE parameter?

A : It specifies the maximum size of the SGA.

B : It determines the size of the shared pool.

C : It controls the amount of memory reserved for PGA usage.

D : It adjusts the amount of memory allocated to the memoptimize pool.

Answer: D

Question 3

Which feature of Oracle Database 19c provides a mechanism for analyzing the impact on database performance of real-life workloads, such as batch jobs or online transaction processing (OLTP)?

A : Automatic Workload Repository (AWR)

B : Real Application Testing (RAT)

C : Automatic Database Diagnostic Monitor (ADDM)

D : SQL Performance Analyzer (SPA)

Answer: B

Question 4

A company is experiencing performance issues with a database. After analyzing the workload, it was discovered that there are multiple expensive queries being executed frequently. Which feature can be used to automatically identify and tune these queries?

A : SQL Tuning Advisor

B : SQL Access Advisor

C : SQL Performance Analyzer

D : SQL Plan Management

Answer: A

Question 5

Which statement about Undo and Redo Management is correct?

A : The UNDO_RETENTION parameter determines the minimum amount of time that undo data will be retained in the undo tablespace.

B : The MAXTRANS parameter determines the maximum number of transactions that can be concurrently active on a given data block.

C : The UNDO_TABLESPACE parameter specifies the name of the default tablespace used for storing undo data.

D : The LOG_BUFFER parameter determines the size of the redo log buffer in memory.

Answer: A

Page: 1 / 76

Total 378 Questions | Updated On: Aug 12, 2026

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