Their hospital management systems are designed using this Hospital Management System ER Diagram. These ER diagrams assist them in visualizing all of the database tables as well as identifying the relationships between various entities and their attributes. An example of an ER diagram for a dental clinic is shown below. The diagram depicts the clinic's database and the fields associated with it. This section discusses various entities, their characteristics, and their relationships. This aids the clinic's efficiency and patient retention. The diagram connects the multiple entities and demonstrates the information contained in the database. You can link a log of tests and examinations to everyone.