Free Oracle 1Z0-006 Exam Questions

Become Oracle Certified with updated 1Z0-006 exam questions and correct answers

Page: 1 / 71

Total 352 Questions | Updated On: Dec 18, 2025

Add To Cart

Question 1

What is the purpose of mapping the physical model in database design?

A : To define the relationships between tables

B : To define the data types for each column

C : To optimize database performance

D : To ensure data integrity

Answer: C

Question 2

What is the purpose of the COMMIT statement in SQL?

A : To delete data from a table

B : To make permanent changes to the database

C : To insert data into a table

D : To update data in a table

Answer: B

Question 3

What is the purpose of denormalization in a physical database model?

A : To simplify the database structure and reduce maintenance efforts

B : To eliminate redundancy and ensure data consistency

C : To optimize query performance and improve data retrieval speed

D : To define referential integrity constraints and enforce data integrity

Answer: C

Question 4

What is the purpose of denormalization in the physical model?

A : To define relationships between tables

B : To optimize database performance

C : To reduce data redundancy and inconsistency

D : To enforce data integrity constraints

Answer: B

Question 5

Which of the following data modeling techniques allows for the creation of relationships between entities?

A : Document modeling

B : Hierarchical modeling

C : Entity-Attribute-Value (EAV) modeling

D : Relational modeling

Answer: D

Page: 1 / 71

Total 352 Questions | Updated On: Dec 18, 2025

Add To Cart