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: Feb 18, 2026

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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 SQL keyword is used to delete data from a table?

A : REMOVE

B : DROP

C : DELETE

D : ERASE

Answer: C

Question 3

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 4

What is the purpose of the COMMIT statement in SQL?

A : To delete data from a table

B : To make permanent changes to the database

C : To insert data into a table

D : To update data in a table

Answer: B

Question 5

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

Page: 1 / 71

Total 352 Questions | Updated On: Feb 18, 2026

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