Free Practice Oracle 1Z0-006 Exam Questions 2025

Stay ahead with 100% Free Oracle Database Foundations 1Z0-006 Dumps Practice Questions

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Total 352 Questions | Updated On: Feb 19, 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 database indexes in mapping a physical model?

A : To optimize database access and retrieval

B : To define relationships between tables

C : To ensure data integrity

D : To determine the data types for each column

Answer: A

Question 3

What is a foreign key in a relational database?

A : A primary key from another table

B : A key used to establish relationships between tables

C : A key that can have duplicate values

D : A constraint that ensures data integrity

Answer: B

Question 4

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 5

What is the purpose of a transaction in a database?

A : To execute queries and retrieve data from a database

B : To define the structure and organization of a database

C : To ensure the atomicity, consistency, isolation, and durability of database operations

D : To enforce data integrity and security in a database

Answer: C

Page: 1 / 71

Total 352 Questions | Updated On: Feb 19, 2025

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