Object-Relation Mapping(ORM) handles persisting objects to and from the record of underlying relation database, it is an object-oriented method to develop application.
对象-关系映射就是把对象映射到关系数据库中的记录，它是完全从面向对象的角度来设计和开发程序的。
Object-relation mapping(ORM) handles persisting objects to and from the records of underlying relation database, it is an object-oriented method to develop application.
对象-关系映射就是把对象映射到关系数据库中的记录，它是完全从面向对象的角度来设计和开发程序的。
The Mapping process each element in DTD and mapping to an object schema. Then the object schema is mapped to the relation database schema.
映射的策略是以分析处理DTD中的每一个元素映射为对象模型，再由对象模型映射为数据库的关系模型。
Deal with the problem of object and relation mapping is to solving the problem of data persistence.
对象和关系的映射实际上是要解决数据持久性问题。
This article introduces the work stream in designing of object relation database, and mainly discusses the ways of mapping from the class model to the relational model.
介绍对象关系数据库设计的工作流程，讨论如何将类模型映射到关系模型。
This paper discuses the mapping algorithm between XML document and relation database, the mapping algorithm between XML document and object-oriented database and isomeric database over XML.
论述了XML文档与关系数据库间的映射规则算法、XML文档与面向数据库间的映射规则算法及基于XML异构数据库间的映射规则。
This paper discuses the mapping algorithm between XML document and relation database, the mapping algorithm between XML document and object-oriented database and isomeric database over XML.
论述了XML文档与关系数据库间的映射规则算法、XML文档与面向数据库间的映射规则算法及基于XML异构数据库间的映射规则。
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