In software engineering, an ER model is commonly formed to represent things a business needs to remember in order to perform business processes. A basic ER model is composed of entity types (which classify the things of interest) and specifies relationships that can exist between entities (instances of those entity types).Īn entity–attribute-relationship diagram for an MMORPG using Chen's notation JSTOR ( November 2016) ( Learn how and when to remove this template message)Īn entity–relationship model (or ER model) describes interrelated things of interest in a specific domain of knowledge.Unsourced material may be challenged and removed.įind sources: "Entity–relationship model" – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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