ERD Diagram Examples

ERD diagram or entity–relationship diagram is usually the result of systematic analysis to define and describe what is important to processes in an area of a business. This diagram presents a business data schema in graphical form. It is usually drawn in a graphical form as boxes (entities) that are connected by lines (relationships) which express the associations and dependencies between entities. The first example below illustrates a bookstore ER diagram.

Bookstore ERD Diagram
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