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: Nov 11, 2024

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Question 1

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

Question 2

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

A : HAVING

B : ORDER BY

C : GROUP BY

D : WHERE

Answer: D

Question 3

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 4

Which of the following statements is used to retrieve data from a database?

A : UPDATE

B : SELECT

C : DELETE

D : INSERT

Answer: B

Question 5

Which SQL statement is used to create a new table?

A : UPDATE

B : INSERT INTO

C : DELETE FROM

D : CREATE TABLE

Answer: D

Page: 1 / 71

Total 352 Questions | Updated On: Nov 11, 2024

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