The below Entity Relationship Diagram (ERD) was drawn according to the business rules shown below. ● Continent ● 1..1 1..1 Country affects Disaster Type belongs to Natural disaster records business rules: A disaster belongs to a specific disaster type, and there can be many disasters of the same disaster type. Each disaster affects one or more countries, and a country can be affected by many disasters. A continent contains many countries, and every country is located on exactly one continent. Catastrophe Explain any three changes that should be made to the ERD to accurately reflect the business rules. Provide a full description of the change and the reason for the change.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
icon
Related questions
Question
The below Entity Relationship Diagram (ERD) was drawn according to the
business rules shown below.
Continent
●
1..1
1..1
Country
affects
Disaster Type
belongs to
Catastrophe
Natural disaster records business rules:
A disaster belongs to a specific disaster type, and there can be many
disasters of the same disaster type.
Each disaster affects one or more countries, and a country can be
affected by many disasters.
A continent contains many countries, and every country is located on
exactly one continent.
Explain any three changes that should be made to the ERD to accurately
reflect the business rules. Provide a full description of the change and the
reason for the change.
Transcribed Image Text:The below Entity Relationship Diagram (ERD) was drawn according to the business rules shown below. Continent ● 1..1 1..1 Country affects Disaster Type belongs to Catastrophe Natural disaster records business rules: A disaster belongs to a specific disaster type, and there can be many disasters of the same disaster type. Each disaster affects one or more countries, and a country can be affected by many disasters. A continent contains many countries, and every country is located on exactly one continent. Explain any three changes that should be made to the ERD to accurately reflect the business rules. Provide a full description of the change and the reason for the change.
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Computer Networking: A Top-Down Approach (7th Edi…
Computer Networking: A Top-Down Approach (7th Edi…
Computer Engineering
ISBN:
9780133594140
Author:
James Kurose, Keith Ross
Publisher:
PEARSON
Computer Organization and Design MIPS Edition, Fi…
Computer Organization and Design MIPS Edition, Fi…
Computer Engineering
ISBN:
9780124077263
Author:
David A. Patterson, John L. Hennessy
Publisher:
Elsevier Science
Network+ Guide to Networks (MindTap Course List)
Network+ Guide to Networks (MindTap Course List)
Computer Engineering
ISBN:
9781337569330
Author:
Jill West, Tamara Dean, Jean Andrews
Publisher:
Cengage Learning
Concepts of Database Management
Concepts of Database Management
Computer Engineering
ISBN:
9781337093422
Author:
Joy L. Starks, Philip J. Pratt, Mary Z. Last
Publisher:
Cengage Learning
Prelude to Programming
Prelude to Programming
Computer Engineering
ISBN:
9780133750423
Author:
VENIT, Stewart
Publisher:
Pearson Education
Sc Business Data Communications and Networking, T…
Sc Business Data Communications and Networking, T…
Computer Engineering
ISBN:
9781119368830
Author:
FITZGERALD
Publisher:
WILEY