PERSONAL CONNECTION 2
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E-R DIAGRAM:
Description:
This project basically describes the book rating social network system.ERD has many entities and relationships among them.
Publisher:
Publisher has many properties that are publisher id, name, publisher price, phone and country.
Relation with other entities:
Publisher can publish one or more book.
Publisher can have one or more author.
Author:
Properties:
Autherid, ISBN, name, bookid and address.
Relation with other entities:
Author can belong to one or more publishers
Author can write one or more books
Author’s book can have one or more editions
Book:
Properties:
ISBN, book id, book name, publication date, book title, page count, publisher id, publisher price, category id, edition id, format id.
Relation with other entities:
Book can have 3 categories.
Book can have one or more editions, formats and authors.
Book also has rating.
Category:
Properties:
Category id, category description
Relation with other entities:
Category has associated with book.
User:
Properties:
User id, ISBN, name, gender, age and location
Relation with other Entities:
User can rate books through social networks.
User can send request to another user
Store:
Properties:
Request id, status, sent time, answer time
Relation with other entities:
Store is associated with request entity.
kushal-kumar
E-RDiagram.docx
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