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: Sep 15, 2026

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Question 1

Which of the following is the most efficient method to improve SQL performance?

A : Optimizing the table schema

B : Increasing the database buffer cache size

C : Enabling query result caching

D : Running the SQL Access Advisor

Answer: A

Question 2

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 3

In Oracle Database 19c, which of the following is true about statistics gathering?

A : Statistics can be gathered automatically only for tables and indexes.

B : Automatic statistics gathering and the use of dynamic sampling can only be performed for queries that include at least one join.

C : If the database is operating in manual statistics mode, statistics can only be gathered by executing the DBMS_STATS.GATHER_DATABASE_STATS procedure.

D : Statistics gathered on partitioned tables only reflect the statistics for the entire table and do not include statistics for individual partitions.

Answer: B

Question 4

Which of the following is a benefit of using Automatic Storage Management (ASM) in Oracle Database 19c?

A : Simplified storage management through automated data striping and rebalancing.

B : Improved database performance through faster I/O operations.

C : Enhanced data availability through redundancy and mirroring.

D : Reduced storage costs through compression and tiering.

Answer: A

Question 5

What is the purpose of an index in a database?

A : To store the data in a table

B : To provide a way to access data quickly

C : To enforce data integrity constraints

D : To perform complex calculations on data

Answer: B

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Total 378 Questions | Updated On: Sep 15, 2026

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