Difference between revisions of "Entity–attribute–value model"
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* [https://en.wikipedia.org/wiki/Entity%E2%80%93attribute%E2%80%93value_model Entity–attribute–value model] @ Wikipedia | * [https://en.wikipedia.org/wiki/Entity%E2%80%93attribute%E2%80%93value_model Entity–attribute–value model] @ Wikipedia | ||
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Revision as of 18:50, 20 April 2016
Entity–attribute–value model (EAV) is a data model to describe entities where the number of attributes (properties, parameters) that can be used to describe them is potentially vast, but the number that will actually apply to a given entity is relatively modest.
Description
In mathematics, this model is known as a sparse matrix.
Equivalent terms include:
- Object–attribute–value model
- Vertical database model
- Open schema
See also
External links
- Entity–attribute–value model @ Wikipedia
