About: Entity–attribute–value model

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Entity–attribute–value model (EAV) is a data model to encode, in a space-efficient manner, 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. Such entities correspond to the mathematical notion of a sparse matrix. EAV is also known as object–attribute–value model, vertical database model, and open schema.

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  • Entity-Attribute-Value model (EAV), je datový model určený k uložených takových datových struktur, kde existuje (zpravidla velké) množství atributů (attribute) k popisu prvku (entity) hodnotami (value). (cs)
  • Entity–attribute–value model (EAV) is a data model to encode, in a space-efficient manner, 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. Such entities correspond to the mathematical notion of a sparse matrix. EAV is also known as object–attribute–value model, vertical database model, and open schema. (en)
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  • November 2016 (en)
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  • What is row modelling? The following paragraphs assume that the reader already knows what it is. However, I cannot guess what it is, based on what is written. Is there an existing WP article on this topic? (en)
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  • Entity-Attribute-Value model (EAV), je datový model určený k uložených takových datových struktur, kde existuje (zpravidla velké) množství atributů (attribute) k popisu prvku (entity) hodnotami (value). (cs)
  • Entity–attribute–value model (EAV) is a data model to encode, in a space-efficient manner, 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. Such entities correspond to the mathematical notion of a sparse matrix. EAV is also known as object–attribute–value model, vertical database model, and open schema. (en)
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  • EAV (model) (cs)
  • Entity–attribute–value model (en)
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