Entity-relationship Model

n.

Pronunciation

/ˈɛntəti-riˈleɪʃənˌʃɪp ˈmɑdəl/

Acronym

ERM

Definition

A graphical representation of interactions between data entities in an organization.

The model can be as simple as a conceptual data model, which represents concepts and shows that they are connected, or a more complex logical data model which shows the nature of those interactions, to a detailed physical model which contains data on the physical implementation of those interactions.

Category

Data Modeling

Related Terms

Data Model, Entity, Entity-relationship Model, Logical Data Model

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