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: Dec 18, 2023

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Question 1

When mapping the physical model, why is it important to consider data types?

A : Data types determine the available storage space for each attribute

B : Data types affect the efficiency of data retrieval operations

C : Data types determine the order of execution for database operations

D : Data types determine the relationships between tables

Answer: A

Question 2

What is the purpose of defining physical storage structures when mapping a physical model?

A : To establish primary and foreign key constraints

B : To determine the data types for each column

C : To define relationships between tables

D : To optimize database access and storage

Answer: D

Question 3

In a physical model, what is the purpose of denormalization?

A : To optimize the database for efficient querying

B : To reduce data redundancy and improve data integrity

C : To establish relationships between tables

D : To define the table structures and attributes

Answer: A

Question 4

Which keyword is used to filter data in a SELECT statement?

A : HAVING

B : ORDER BY

C : GROUP BY

D : WHERE

Answer: D

Question 5

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

Page: 1 / 71

Total 352 Questions | Updated On: Dec 18, 2023

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