![]() ![]() A conceptual model of data is used in an application. To get logical database design we use data modeling. Tool for data modeling is entity relationship diagram. Importance of Entity Relationship Diagram Abstract: ER diagram for online book store is basically a graphical representation of the book store database table and relationship between system entities such as book, customer, order, tracking etc.ER Diagram for Online Book Store Detailsįollowing table describes the details of ER diagram for online book store. This ER Diagram is basically a graphical representation of an online book store database table and relationship between books, order, customer, bookstore website, tracking detail etc. ER modeling notation uses three main of constraints: entities, attributes associated with entities and relationships. The entity relationship diagram for online book store is basically an ER model of online book store website entities. This is an important diagram for your final year project work. In this article we will explain entity relationship diagram for online book store.
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