Get Design Key In Er Diagram Example Download Zip Pics. An er model is a design or blueprint of a database that can later be implemented as a database. The er model does not use foreign keys to represent relationships.
Er diagram stands for entity relationship diagram, also known as erd is a diagram that displays the relationship of entity sets stored in a database.
Eer diagram example & solution. Any object, for example, entities, attributes of an entity, relationship sets, and attributes of relationship sets, can be represented with the help of an er diagram. Read the er diagram tutorial. Entity relationship diagrams (erd) or er models represent the data in any system.