15 Uml Entity Relationship Diagram. Entity relationship diagram of an online bookstore. An entity in this context is an object, a component of data.
Additional relations for the information engineering notation. An entity relationship diagram is a way to represent entities of a system and how they relate to each other. Uml is a standard graphical tools to model the whole parts of project.
You can edit this template and create your own diagram.
15 Uml Entity Relationship Diagram. An er model is a design or blueprint of a database that can later be implemented as a database. An entity relationship diagram (erd) shows the relationships of entity sets stored in a database. Common entity relationship diagram symbols. Uml use case diagram tutorial.