Download Design Entity Relationship Diagram Lines Example Download Zip Pictures. Here's an example of an. What is an erd (entity relationship diagram)?
For example, an employee may act as a supervisor for one or more employees, while an.
Based on the information engineering notation. This is an extension to the existing class diagram. To help visualize the design, the entity relationship modeling approach involves drawing an entity relationship (er) diagram. Again, this is the normal class diagram syntax (aside from use of entity instead of class).