conceptual data models的意思|示意
概念数据模型
conceptual data models的网络常见释义
概念数据模型 概念数据模型(Conceptual Data Models),简称概念模型,是按用户的观点对数据和信息进行 建模.是现实世界到信息世界的第一层抽象,强调其语义表达功能,易于用户理解,...
conceptual data models相关例句
When you have to change the conceptual or logical data model, you can easily recreate the dependent models and have all your JPA entities in sync.
在不得不修改概念性或逻辑数据模型时,可以轻松地重新创建依赖的模型,让所有 JPA 实体保持同步。
Technologies such as the Entity Framework and WCF data Services use conceptual models to translate object operations into database operations.
技术如实体框架和WCF数据服务使用转换到的数据库操作的对象操作的概念模型。
Compared with several other data models used in early and recent GIS, the author gives his own idea of what is a geographical space, and then puts forward a new object-oriented conceptual data model.
本文在分析和总结了早期和近期GIS几种数据模型的优缺点的基础上,对地理空间进行了重新理解,给出了一个面向对象的概念数据模型。
The conceptual modeling elements and mutual relations between them are discussed and some key technical problems are identified in the development of feature based temporal - spatial data models.
讨论了基于特征的概念模型要素及相互关系;提出了基于特征的时空数据模型所面临的关键技术。
The data architecture includes conceptual, logical and physical data models and its metadata models.
数据架构包括概念、逻辑和物理数据模型及其元数据模型。
The conceptual model of actions was intentionally made general enough to accommodate both data-flow and control-flow computing models.
动作的概念上的模型被特意的普通化,从而提供数据流和控制流计算模型。