This online shopping ERD maps out in detail all the critical entities, their attributes and relationships. Here are a few examples of taking inspiration from: By linking entities, their attributes and their relationships, ERD helps determine all the requirements of an information system during its initial phase.Įntity Relationship diagrams are very useful in creating an online shopping system. Moreover, an ERD helps identify all the data that needs to be stored in the database. It allows you to map all the information in a graphical manner that is easy to understand and interpret. Using an ER diagram, you can resolve many problems during the planning phase of the information system rather than at the execution or testing phase. An ERD comes very handy here, where all entities are named and linked together to ensure the software caters to them all. You need to consider the user interface, admin interface, how the products will be identified and the whole billing process. You might be thinking, how is it related to Information systems? ER diagrams are handy in mapping out the functions the software will perform and how it will link different entities together.įor example, if you are making an online shopping system, you might have to look at the software from different perspectives. Now that you understand what an ER diagram is. ER Diagram Examples for Online Shopping Systems
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February 2023
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