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Database Design and ER Modeling Fundamentals

Computer Science

An overview of database management systems, entity-relationship modeling, attributes, and relational schema design.

Databases Data Modeling Information Systems

10 Questions Medium Ages 16+ May 7, 2026

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About this Study Set

This study set covers Computer Science through 10 practice questions. An overview of database management systems, entity-relationship modeling, attributes, and relational schema design. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 10 questions from the Database Design and ER Modeling Fundamentals study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is a primary benefit of using a database?

A Increased data redundancy
B Reduced data accuracy
C Efficient data management
D Increased difficulty to delete data

2 What is a primary key used for in a database table?

A To identify a record
B To store derived data
C To create a relationship
D To describe an attribute

3 What is a foreign key?

A A key that is always empty
B A field that links to a primary key in another table
C A type of entity
D A derived attribute

4 Which of the following is considered an entity?

A A phone number
B A person
C A salary
D A year

5 What is a simple attribute?

A An attribute that cannot be divided
B An attribute stored as a calculation
C An attribute with multiple parts
D An attribute of a child entity

6 What is a derived attribute?

A An attribute entered by a user
B An attribute calculated from other data
C An attribute that is a primary key
D An attribute that describes a relationship

7 What does the degree of a relationship represent?

A The number of entities involved
B The name of the table
C The type of primary key
D The number of attributes

8 Which term describes the number of entities associated with another entity?

A Degree
B Cardinality
C Attribute
D Entity type

9 What is an ER diagram used for?

A Designing the database structure
B Storing user passwords
C Calculating complex math
D Managing server hardware

10 What is a composite attribute?

A An attribute that is already simple
B An attribute that can be divided into smaller parts
C An attribute that is always null
D An attribute that cannot be stored

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