-
1 EAV
Компьютерная техника: Entity Attribute Value, Extended Application Verification -
2 database model
теоретическое (математическое) или алгоритмическое описание структуры (построения) и принципов использования БД. Существует ряд подобных моделей, в том числе иерархическая (hierarchical model), сетевая (network model), реляционная (relational model), объектно-реляционная (object-relational model), объектная (object model), ассоциативная (associative model), концептуально-ориентированная (concept-oriented model), многомерная (multi-dimensional model), полуструктурированная (semi-structured model), модель "сущность - атрибут - значение" (entity-attribute-value model) и схема "звезда" (star schema)Англо-русский толковый словарь терминов и сокращений по ВТ, Интернету и программированию. > database model
См. также в других словарях:
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. In… … Wikipedia
Entity-attribute-value model — (EAV), also known as object attribute value model and open schema is a data model that is used in circumstances where the number of attributes (properties, parameters) that can be used to describe a thing (an entity or object ) is potentially… … Wikipedia
Attribute-value system — An attribute value system is a basic knowledge representation framework comprising a table with columns designating attributes (also known as properties , predicates, features, dimensions, characteristics or independent variables depending on the … Wikipedia
Attribute-value pair — A name–value pair, key–value pair, field–value pair or attribute–value pair is a fundamental data representation in computing systems and applications. Designers often desire an open ended data structure that allows for future extension without… … Wikipedia
Entity-relationship model — A sample Entity relationship diagram using Chen s notation In software engineering, an entity relationship model (ERM) is an abstract and conceptual representation of data. Entity relationship modeling is a database modeling method, used to… … Wikipedia
Attribute — The word attribute can refer to:* In philosophy, property, an abstraction of a characteristic of an entity or substance * In art, an object that identifies a figure, most commonly referring to objects held by saints see emblem * In social… … Wikipedia
Attribute domain — The attribute domain is the set of values allowed in an attribute.For example: Rooms in hotel (1 300) Age (1 99) Married (yes or no) Nationality (Sri Lankan, Indian, American, or British)For the relational model it is a requirement that each part … Wikipedia
SGML entity — In SGML and its derived markup languages HTML and XML, an entity is a named body of data associated with a document, or the unnamed document entity itself. Once defined, a named entity can be referenced any number of times within the document,… … Wikipedia
List of XML and HTML character entity references — In SGML, HTML and XML documents, the logical constructs known as character data and attribute values consist of sequences of characters, in which each character can manifest directly (representing itself), or can be represented by a series of… … Wikipedia
EAV — entity attribute value [data organization]; equine abortion virus; equine arteritis virus * * * electroacupuncture after Voll … Medical dictionary
EAV — • entity attribute value [data organization]; • equine abortion virus; • equine arteritis virus … Dictionary of medical acronyms & abbreviations
