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: Jun 30, 2025

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Question 1

Which SQL keyword is used to delete data from a table?

A : REMOVE

B : DROP

C : DELETE

D : ERASE

Answer: C

Question 2

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 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

Which of the following is a valid cardinality notation for a one-to-many relationship in a physical data model?

A : (1, N)

B : (0, 1)

C : (1, 1)

D : (N, M)

Answer: A

Question 5

What is the primary step in creating a physical model?

A : Normalizing the database tables

B : Establishing primary and foreign key relationships

C : Identifying entities and their relationships

D : Defining the data types for each attribute

Answer: D

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Total 352 Questions | Updated On: Jun 30, 2025

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