Free Oracle 1Z0-006 Exam Questions

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

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Total 352 Questions | Updated On: Mar 25, 2025

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Question 1

What is a database?

A : A program that manages data

B : A network of interconnected computers

C : A collection of related data

D : A physical storage device for data

Answer: C

Question 2

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 3

Which keyword is used to join two or more tables in a SQL statement?

A : JOIN

B : INNER JOIN

C : CROSS JOIN

D : UNION

Answer: A

Question 4

What is a primary key?

A : An attribute that can have multiple values

B : A reserved word in SQL

C : A unique identifier for a data entity

D : A foreign key in a related table

Answer: C

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 / 71

Total 352 Questions | Updated On: Mar 25, 2025

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