Uses of ER Diagrams
The main benefit of the ER diagram is that you can easily define and map the relationships between all the entities in a database on a business, logical, and technological level. For software engineers, an ER diagram represents the first step in determining the database design requirements for a project.
Using an ER diagram, you can easily design and analyze relationships in business processes. Any data-driven business can benefit from creating ER diagrams to streamline processes and assess the flow of information.
Research & Education
ER diagrams are useful for storing relational information about recurring processes in educational and research environments, making it easy to investigate database issues.
Using an ER diagram to analyze existing databases and processes could come in handy when looking for problems in logic or deployment database setup.
How to create your own ER Diagram
Select the ER Diagram template in Cacoo.
Identify all the entities existing in the system. Each entity only needs to appear in the diagram once.
Name all the entities and their relevant attributes.
Identify and represent the relationships between them. And, there you have it.