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。
Good relational database practitioners and object model designers can have competing goals that make their respective implementations quite different from each other.
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。
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.
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。
Tools such as Hibernate and TopLink have made it much easier to map an object model into a relational database schema.
与关系数据库相比，面向对象模型支持更丰富的关系
Richer relationships allowed by object orientation that aren't supported by relational databases
这是将对象模型映射到关系数据库模型的一种典型框架。
This is typical of frameworks that map object models to relational database models.
GORM有助于缓解抽象泄漏问题，它支持使用对Groovy有意义的方式表示对象模型，由 GORM在幕后处理关系数据库的问题。
GORM helps mitigate the leaky-abstraction problem by allowing you to represent your object model in a way that makes sense in Groovy.
查询语法是Erlang的一部分，数据模型类似于对象-关系数据库管理系统。
The query syntax is part of Erlang itself, while the data model is akin to an object-relational DBMS.
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。
NHMDB is a multimedia database system based on the extended relational data model and has the characteristics of object-oriented databases.
由于对象模型和关系模型之间存在一种基本的阻抗不匹配，导致使用关系数据库的面向对象系统开发人员通常要花费大量的时间来将对象持久化。
Because a kind of basic mismatch exists between object model and relation model, it leads to that object systematic developer spend a large amount of time taking object persistent.
本文提出了一种属性具有模糊度的模糊关系数据库模型，它可用来描述现实世界中范围广泛的模糊对象。
A fuzzy relational data model with fuzzy attributes, which could be used for truly modeling various fuzzy objects in the real world, is presented in the paper.
第一步是用现有关系数据库的元数据创建对象模型。
The first step is to create an object model from the metadata of an existing relational database.
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。
The model is suitable for not only relational database structure, but also object oriented database structure.
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.
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 discusses a new mapped method of object model and database model, which has been employed to design an object-oriented relational database.
系统设计采用面向对象数据模型，数据库结构采用面向对象关系数据库系统。
The Object-Orient Data Model and the Object-Relative Database System(ORDBS) are adapted in the system structure for design and development.
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 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.
文中对基于关系数据库、面向对象数据库、索引文件、压缩文件的存储模型进行了详细地论述。
In the paper storage models based on relation database, object-oriented database, index files, compressed files are discussed in detail.
文中对基于关系数据库、面向对象数据库、索引文件、压缩文件的存储模型进行了详细地论述。
In the paper storage models based on relation database, object-oriented database, index files, compressed files are discussed in detail.
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