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What is an ER diagram? How to make an ERD? What are ERD symbols?
ER diagrams illustrate the logical structure of databases. An ER diagram is a means of visualizing how the information a system produces is related. There are five main components of an ERD: entities, actions, attributes, connecting lines, and cardinality. Learn more about ER diagrams and their symbols and components. https://www.smartdraw.com ...
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