Question 1

A one-to-many relationship occurs between two entities in which an instance of one entity can be related to only one instance of a related entity.

Accepted Answer

A) True 
 B)False

Question 2

What occurs between two entities in which an instance of one entity can be related to only one instance of a related entity?

Accepted Answer

A) One-to-one relationship 
B) One-to-many relationship 
C) Many-to-many relationship 
D) Composite entity 
A) One-to-one relationship 
B) One-to-many relationship 
C) Many-to-many relationship 
D) Composite entity

Question 3

What occurs when two entities can be related to each other in many instances?

Accepted Answer

A) One-to-one relationship 
B) One-to-many relationship 
C) Many-to-many relationship 
D) Composite entity 
A) One-to-one relationship 
B) One-to-many relationship 
C) Many-to-many relationship 
D) Composite entity

Question 4

A field is composed of rows and columns that represent an entity.

Accepted Answer

A) True 
 B)False

Question 5

What has the potential to contain more than one value for an attribute?

Accepted Answer

A) Single-valued attribute 
B) Multi-valued attribute 
C) Null-valued attribute 
D) All of the above 
A) Single-valued attribute 
B) Multi-valued attribute 
C) Null-valued attribute 
D) All of the above

Question 6

What kind of attribute is assigned to an attribute when no other value applies or when a value is unknown?

Accepted Answer

A) Single-valued attribute 
B) Multi-valued attribute 
C) Derived attribute 
D) Null-valued attribute 
A) Single-valued attribute 
B) Multi-valued attribute 
C) Derived attribute 
D) Null-valued attribute

Question 7

Date of birth would be a stored attribute.

Accepted Answer

A) True 
 B)False

A one-to-many relationship occurs between two entities in which an instance of one entity can be related to only one instance of a related entity.

What occurs between two entities in which an instance of one entity can be related to only one instance of a related entity?

What occurs when two entities can be related to each other in many instances?

A field is composed of rows and columns that represent an entity.

What has the potential to contain more than one value for an attribute?

What kind of attribute is assigned to an attribute when no other value applies or when a value is unknown?

Date of birth would be a stored attribute.

Management Information Systems: Business Driven MIS

Decisions and Processes: Value Driven Business

Ebusiness: Electronic Business Value

Ethics and Information Security: MIS Business Concerns

Infrastructures: Sustainable Technologies

Data: Business Intelligence

Networks: Mobile Business

Enterprise Applications: Business Communications

Systems Development and Project Management: Corporate Responsibility

Hardware and Software Basics

Networks and Telecommunications

Emerging Trends and Technologies

Filters

Exam 12: Designing Databases

A one-to-many relationship occurs between two entities in which an instance of one entity can be related to only one instance of a related entity.

What occurs between two entities in which an instance of one entity can be related to only one instance of a related entity?

What occurs when two entities can be related to each other in many instances?

A field is composed of rows and columns that represent an entity.

What has the potential to contain more than one value for an attribute?

What kind of attribute is assigned to an attribute when no other value applies or when a value is unknown?

Date of birth would be a stored attribute.

Management Information Systems: Business Driven MIS

Decisions and Processes: Value Driven Business

Ebusiness: Electronic Business Value

Ethics and Information Security: MIS Business Concerns

Infrastructures: Sustainable Technologies

Data: Business Intelligence

Networks: Mobile Business

Enterprise Applications: Business Communications

Systems Development and Project Management: Corporate Responsibility

Hardware and Software Basics

Networks and Telecommunications

Emerging Trends and Technologies

Filters