Modelling Business Information: Entity Relation... -

Modelling Business Information using Entity-Relationship (ER) diagrams is a foundational technique for defining the structure, relationships, and rules of data within an organization . It acts as a bridge between business requirements and technical database design, enabling stakeholders to visualize the "things" (entities) a business cares about and how they interact. Core Components of ER Modelling

The associations between entities, such as a Customer "places" an Order . Modelling Business Information: Entity relation...

An Entity-Relationship Model, or ER Model, is a conceptual representation of data that typically evolves through three stages: conceptual, logical, and physical. or ER Model

Countable objects, concepts, or events, such as Customer , Product , or Order . and physical. Countable objects