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: Jan 08, 2025

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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 role of normalization during the mapping of the physical model?

A : To determine the primary key of each table

B : To improve query performance

C : To eliminate redundancy in the database

D : To ensure data integrity and consistency

Answer: C

Question 3

Which SQL statement is used to create a new table?

A : UPDATE

B : INSERT INTO

C : DELETE FROM

D : CREATE TABLE

Answer: D

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 SQL statement is used to add a new column to an existing table?

A : DELETE FROM

B : UPDATE

C : ALTER TABLE

D : INSERT INTO

Answer: C

Page: 1 / 71

Total 352 Questions | Updated On: Jan 08, 2025

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