| 谈.NET平台下的ORM的现状 |
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| 引用本文： | 田涛.谈.NET平台下的ORM的现状[J].数字社区&智能家居,2009(9). |
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| 作者姓名： | 田涛 |
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| 作者单位： | 安徽蚌埠市怀远县委党校; |
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| 摘 要： | 对象-关系映射(Object/Relation Mapping,简称ORM),是随着面向对象的软件开发方法发展而产生的。面向对象的开发方法是当今企业级应用开发环境中的主流开发方法,关系数据库是企业级应用环境中永久存放数据的主流数据存储系统。对象和关系数据是业务实体的两种表现形式,业务实体在内存中表现为对象,在数据库中表现为关系数据。内存中的对象之间存在关联和继承关系,而在数据库中,关系数据无法直接表达多对多关联和继承关系。因此,对象-关系映射(ORM)系统一般以中间件的形式存在,主要实现程序对象到关系数据库数据的映射。
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| 关 键 词： | ORM .NET 面向对象 关系数据库 |
The Status of ORM on .NET Platform |
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| TIAN Tao.The Status of ORM on .NET Platform[J].Digital Community & Smart Home,2009(9). |
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| Authors: | TIAN Tao |
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| Affiliation: | Party School of Anhui Provice Huaiyuan County Committee of C.P.C.;Huaiyuan 233400;China |
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| Abstract: | Object/Relation Mapping(ORM). is accrued by development of object oriented that is a method of development software. Object oriented is main current method in application development environment. Relational database is main current data storage system what hold data for long in application environment. Object and relational data are two behavior forms of business entity. Business entities represent as object in internal memory, and represent as relational data in database. Objects in internal memory have as... |
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| Keywords: | ORM NET Object Oriented relational database |
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