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: Jul 24, 2023

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Question 1

Which of the following is the best practice for improving performance when using partitioning in Oracle Database 19c?

A : rtitioning the table based on a single column that has even distribution of data

B : rtitioning the table based on a single column that has uneven distribution of data

C : Partitioning the table based on multiple columns that have even distribution of data

D : rtitioning the table based on multiple columns that have uneven distribution of data

Answer: A

Question 2

Which feature of Oracle Database 19c can be used to maximize query performance by automatically creating and maintaining optimal indexes?

A : ble Compression

B : ery Rewrite

C : al Application Testing

D : tomatic Indexing

Answer: D

Question 3

Which approach is recommended for tuning SQL statements that perform poorly?

A : Running the SQL Access Advisor

B : nning the SQL Tuning Advisor

C : nning the SQL Performance Analyzer

D : nning the SQL Plan Management

Answer: B

Question 4

What does the Automatic Database Diagnostic Monitor (ADDM) provide?

A : formation about the root cause of performance problems

B : commendations for resolving performance issues

C : Automatic performance analysis and diagnosis

D : l of the above

Answer: D

Question 5

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

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

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

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

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

Answer: A

Page: 1 / 76

Total 378 Questions | Updated On: Jul 24, 2023

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