Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Database introduction based question 

The below Entity Relationship Diagram (ERD) was drawn according to the
business rules shown below.
Reader
reads
Genre
1..*
1..1
Book
Book club business rules:
A book belongs to a genre, and many books can belong to the same
genre.
A member chooses one favourite genre, and a genre can be chosen as
the favourite of many members.
A member reads many books, and each book can be read by many
members.
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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Transcribed Image Text:The below Entity Relationship Diagram (ERD) was drawn according to the business rules shown below. Reader reads Genre 1..* 1..1 Book Book club business rules: A book belongs to a genre, and many books can belong to the same genre. A member chooses one favourite genre, and a genre can be chosen as the favourite of many members. A member reads many books, and each book can be read by many members. 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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