Good relational database practitioners and object model designers can have competing goals that make their respective implementations quite different from each other.
优秀的关系数据库人员和对象模型设计者可能具有相互竞争的目标，从而使得其各自的实现也具有很大的差异。
When you start to get into even intermediate complexity in your relational database, you'll design things differently than you would with an object model.
即便是中等复杂程度的关系数据库，设计的东西也和对象模型不同。
In short it aims to model your entire database schema dynamically, querying its information schema and eliminating the need for object-relational mapping in your application code.
简单来说，它是用来为你的全部数据库schema动态建模的，并可查询它的信息schema、消除应用程序中的面向关系映射。
Tools such as Hibernate and TopLink have made it much easier to map an object model into a relational database schema.
Hibernate和TopLink等工具大大简化了把对象模型映射到关系数据库模式的过程。
NHMDB is a multimedia database system based on the extended relational data model and has the characteristics of object-oriented databases.
NHMDB是基于扩充关系数据模型的多媒介数据库系统，它以扩充关系为基础支持面向对象的主要特性。
The model is suitable for not only relational database structure, but also object oriented database structure.
该模型既适合于关系数据库结构，也适合于面向对象数据库结构。
Relational database is the object processed by the DSS model.
该模型的作用对象是关系型数据库。
Persistent object can be stored in Object-Oriented Database directly, or be transferred into Relational Model to be persisted in Relational Database.
持久化对象数据可以直接使用面向对象数据库，或者通过转换存储在关系数据库中。
This article discusses a new mapped method of object model and database model, which has been employed to design an object-oriented relational database.
利用一种对象模型与数据库模型的映射方法，完成了一个面向对象的关系数据库设计。
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。
The first step is to create an object model from the metadata of an existing relational database.
第一步是用现有关系数据库的元数据创建对象模型。
The mapping strategies from object model to relational database model are the core of object-oriented relational database design.
结合油气储运网络管理系统的一期工 程实践，对对象模型向关系数据库模式映射的策略进行了讨论。
The mapping strategies from object model to relational database model are the core of object-oriented relational database design.
结合油气储运网络管理系统的一期工 程实践，对对象模型向关系数据库模式映射的策略进行了讨论。
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