Entity-attribute-value model(实体属性值模型)是一种用数据模型描述实体的属性的方式,这种方式可以用来描述实体的潜在巨大属性,但实际上将适用于给定的实体的数量是相对较少。 这种模型中,实体、属性和值是核心元素。例如,一个产品或汽车可以作为一个实体,而价格、重量等可以作为这个实体的属性,每个属性的具体值则作为模型中的值。 这种模型在
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...
The purpose of this study was to develop and evaluate the functionality of structured data entry templates using the entity-attribute-value (EAV) model for clinical decision support of pressure ulcer wound management. A data set for wound assessment of pressure ulcers that has commonly been ...
ActsAsEavModel allow for the Entity-attribute-value model (EAV), also known as object-attribute-value model and open schema on any of your ActiveRecord models.What is Entity-attribute-value model?¶ ↑Entity-attribute-value model (EAV) is a data model that is used in circumstances where ...
第7518 名 第13259 名 第3824 名 第10290 名 注:排序范围为 Laravel 所有相关项目总榜,另外两个榜单是 Laravel 扩展排行榜 和Laravel 应用排行榜。 关键词 model laravel eav entity-attribute-value 注:关键词是作者在 composer.json 文件里设置。讨论数量: 0 发起讨论 暂无话题~v...
12 Custom Fields. EAV: Entity-Attribute-Value Model 8:20 13 Recursive Parent-Children - Part 1: Unlimited Subcategories 5:07 14 Recursive Parent-Children - Part 2: Nested Set Model with Package 4:11 15 Invoice Numbers with Prefixes: How to Structure DB? 9:25 16 Order Stat...
v-reap/entity-attribute-value-model Entity–attribute–value model (EAV) for laravel model laravel eav entity-attribute-value 1 9 5 rinvex/attributable Rinvex Attributable is a robust, intelligent, and integrated Entity-Attribute-Value model (EAV) implementation for Laravel Eloquent, with ...
The Entity-Attribute-Value model or EAV is also sometimes referred to at the Object-Attribute-Value Model, or even the Open Schema. This is a data model that is often used in instances where the amount of attributes, properties, or parameters that can be used to define an entity are poten...
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 very vast,...
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