![]() ![]() In the ER diagram, an entity can be represented as rectangles.Ĭonsider an organization as an example- manager, product, employee, department etc. The address can be another entity with attributes like city, street name, pin code, etc and there will be a relationship between them.Īn entity may be any object, class, person or place. ![]() In this database, the student will be an entity with attributes like address, name, id, age, etc. In ER modeling, the database structure is portrayed as a diagram called an entity-relationship diagram.įor example, Suppose we design a school database.It also develops a very simple and easy to design view of data. It develops a conceptual design for the database.This model is used to define the data elements and relationship for a specified system. ![]() ER model stands for an Entity-Relationship model.Next → ← prev ER (Entity Relationship) Diagram in DBMS ![]()
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