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.
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...
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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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F03031d4b-836c-4d4f-ad0a-47cbc979c837%2F0bac6b0b-c4b4-4cc0-a2de-15735230cc29%2F8r4isim_processed.jpeg&w=3840&q=75)
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.
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