Quiz: Chapter 02 Data Models

  1. Which of the following is a fundamental data modeling component, helping ensure data integrity?

Constraint

2. Which of the following is not a valid business rule?

An invoice must be paid in a reasonable amount of time.

3. Why is identifying and documenting business rules essential to database design?

It helps to standardize the company’s view of data

4. Which of the following two-dimensional structures is known as a relation?

Table

5. In an entity relational model (ERD), what is each row in a table known as?

An entity occurrence

6.Which of the following entity relationship (ER) connectivity statements is invalid?

System complexity

7. Which of the following entity relationship (ER) connectivity statements is invalid?

A CUSTOMER gender is MALE or FEMALE

8. Which of the following is not a valid component of object-oriented data models?

Volume

9. A CEO of a company wants to find a new and improved way to manage and extract business insights from large amounts of web- and sensor-generated data. Which of the following could they use to achieve this goal?

Big data

10. Which of the following technologies is not used in Big Data?

 SQL

Other Links:

Statistics Quiz

Networking Quiz

See other websites for quiz:

Check on QUIZLET

Check on CHEGG

Leave a Reply

Your email address will not be published. Required fields are marked *