![]() Not that easy to share, you need to take a picture to share with people outside of your officeĢ.Not that readable (depending on your hand writing).You know how to use it (from (pre)school).If your database has more than, say, 10 key tables then forget it and move on to the next section.ĮR diagram written manually on piece of paper Pros At least the first couple of entities are. You probably already have it on your desk. ![]() In this article I will present different categories of tools that you can use to create an ER diagram of your existing database to visualise its schema so that you can understand and communicate data you have.
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