Free Oracle 1Z0-006 Practice Exam Questions and Answers 2026

Start Learning with the Newest and 100% Free 1Z0-006 Exam Dumps Questions

Page: 1 / 83

Total 412 Questions | Updated On: Apr 01, 2026

Add To Cart

Question 1

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 2

What is the purpose of creating constraints in the physical model?

A : To define relationships between tables

B : To optimize database performance

C : To enforce data integrity constraints

D : To specify data types for columns

Answer: C

Question 3

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

Question 4

Which keyword is used to filter results based on a specific condition in a SELECT statement?

A : ORDER BY

B : HAVING

C : GROUP BY

D : WHERE

Answer: D

Question 5

In a physical data model, what are foreign keys used for?

A : To represent the logical structure and properties of database objects.

B : To improve performance by storing frequently accessed data together.

C : To define the relationships and links between tables.

D : To specify the attributes and data types for each table.

Answer: C

Page: 1 / 83

Total 412 Questions | Updated On: Apr 01, 2026

Add To Cart