Developing a database model

We will use JPA, and one of the most noticeable points is that creating a database is not recommended, because as we know, JPA will automatically create database tables with fields using the entity class of the project. But still, we need to create a demo database and draw an EER diagram. You can create your EER on paper or you can create one digitally using MySQL Workbench. Here, we will use MySQL Workbench, which has a free version. This is one of the best tools for developing a database or creating a model for a database:

  1. You need to download this software from https://dev.mysql.com/downloads/workbench/, if you don't have it. Then install and run it. As we mentioned before, we have some default values:
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