Download Design Elements Of Er Model Example Download Zip PNG. An er model is a design or blueprint of a database that can later be implemented as a database. For example student's name can be divided into first name, middle name and last name.
Here is a list of recommended er diagram tools to draw a visual model for database management.
An entity relationship diagram (erd) is a graphical representation of entities and their relationships to each other, typically used for modeling the organization of data within databases or information systems. Its elements cannot be identified by the values of their attributes: Module 5, lectures 1 and 2. An entity relationship diagram (erd) is a graphical representation of entities and their relationships to each other, typically used for modeling the organization of data within databases or information systems.