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.
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
正如我所说的，在当今的面向对象世界里，与关系数据库相比，db4o这样的对象数据库可以为面向对象开发人员提供更多的功能。
As I explained, an object database like db4o simply has more to offer to object-oriented developers, in today's object-oriented world, than its relational Cousins.
大多数情况下，就用户而言，他们不关心我们的工作是使用层次数据库、关系数据库、面向对象数据库、平面文件系统，还是魔术来完成。
In most cases, users don't care if their job is accomplished with hierarchical databases, relational databases, object-oriented databases, flat-file systems, or black magic.
基于ERP建模体系，应用面向对象程序设计工具和关系数据库工具，研究数据仓库元数据实现和管理。
Based on ERP, we apply object oriented programming tool and relation database tool to research the realization and management of the metadata of data warehouse.
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.
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.
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.
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.
这里我们使用面向对象的知识表示来讨论建立知识库，利用关系数据库存储和管理资料。
Here, we set up the repository by the Object-oriented knowledge representation, using rational database to storing and managing data.
讨论了以通用关系数据库为后台、图形化界面为人机接口、面向对象的计算为内核的电网合环辅助决策软件，并详细分析了软件的设计。
An assistant decision making software for power system linkage is presented, which is based on general RDS with graphical interfaces and takes object oriented calculation as its core.
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.
文章基于从面向对象数据库(OODB)到关系数据库(rdb)的模式转换，提出了一种从面向对象数据库查询到关系数据库查询的转换算法。
In this paper, based on a schema translation from Object-Oriented Database (OODB) to Relational Database (RDB), it proposes an algorithm for translating OODB query to RDB query.
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。
Persistent object can be stored in Object-Oriented Database directly, or be transferred into Relational Model to be persisted in Relational Database.
在面向对象程序设计中，如何利用关系数据库实现各种不同对象的持久化是面向对象分析设计中必须要解决的问题。
How to implementing persistence of all kinds of object using relationship database is necessarily must be solved in Orient object programming.
本系统的数据库设计应用了基于关系数据库的面向对象理论，方便了信息的获得，同时提高了系统的可扩展性。
The database design of the system applications based on the relationship between the object-oriented database theory, Convenient access to information, at the same time improve the system scalability.
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 record of underlying relation database, it is an object-oriented method to develop application.
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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