Er Diagram In Dbms. An er diagram shows the relationship among entity sets. Er diagrams help you to define terms related to entity relationship modeling.
For example in the below diagram anyone can see and understand what the diagram wants to convey. Er diagram is a visual representation of data that describes how data is related to each other. Er model in dbms is based on three basic concepts.
Er diagrams in dbms are blueprint of a database.
Developer develops a website whereas a visitor visits a website. An er diagram shows the relationship among entity sets. Er diagrams in dbms are blueprint of a database. Entities attributes relationships.
