Modelling Business Information: Entity Relation... Here

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

Defines the numerical context of relationships, such as One-to-One (1:1), One-to-Many (1:N), or Many-to-Many (M:N). The Three Levels of Data Modelling Modelling Business Information: Entity relation...

Specific properties describing an entity, such as Customer Name or Product Price . Countable objects, concepts, or events, such as Customer

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

Provides enough detail for database developers to build the actual system, including technical data types. Benefits of Entity-Relationship Modeling What is an Entity Relationship Diagram (ERD)? - Lucidchart