Hospital Management System E-R Diagrams: The Entity-Relationship (ER) model was originally proposed by Peter in 1976 [Chen76] as a way to unify the network and relational database views. Simply stated the ER model is a conceptual data model that views the real world as entities and relationships. ... Definition Proposed definition : preparation. UML class diagram tutorial to learn about class diagram notations, class diagram definition, how to draw a class diagram and best practices. Find class diagram examples and templates that you can instantly edit online inside this class diagram guide. ... ER diagram for hospital management system to model your system. Click the image to get all. Hospital management system (HMS) or Hospital management information system (HMIS) is an element of medical informatics solution s that focuses mainly on the administration needs of hospitals. An HMS is a computer or web-based application that manages the functioning of an entire hospital.This customizable integrated syste m is designed to manage all the operations of the hospital, such as. This ER (Entity Relationship) Diagram represents the model of Clinic Management System Entity. The entity-relationship diagram of Clinic Management System shows all the visual instrument of database tables and the relations between Patient, Nurses, Clinic, Medicines etc. It used structure data and to define the relationships between structured. Since ERDs are of great use for designing a hospital management system, here we are going to walk you through the steps of designing an ER diagram for your hospital management system . Step 1: The first step is to identify the entity sets. As per your requirement, you will have some main entities.