With the development of Object-Oriented technologies, OODBS ( Object-Oriented Database system) has been one of the most ubiquitous and promising research and application fields in recent two decades.

The complexity in concurrency controls should not degrade the performance of OODBs. That is, concurrency controls in OODBs must keep performance while meeting the database consistency requirements.

并发控制中的复杂性不应该降低OODBS的性能，即是，OODBS的并发控制在满足数据库一致性要求的时候，要保持性能。

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Because there are a few OODBs which support the metaclass mechanism, this methodology has limitation to some degree.

但只有少数的OODBs支持元类机制，因此该方法存在一定的局限性。

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For the purpose of this article, I'll take both relational databases ( RDBMS) and object-oriented databases ( OODBS) as one unit, rather than separately.

从本文的主旨出发，我把关系数据库（RDBMS）和面向对象数据库（OODBS）放在一起，不单独讨论。

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Generation of relational model of assembly based on drawings understanding

基于图纸理解的装配关系模型的生成

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The operation of temporal filtration based on historical relational model

基于历史关系模型的时态过滤运算

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Object definition diagram and its conversion to object definition language and relational model

对象定义图及其向对象定义语言和关系模型的转化

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The Research on Storing XML Data Based on General Relational Model

基于通用关系模式的XML数据存储模型研究

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Relational Model Base: Theory and Application

关系模型库的理论及应用

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Comprehensive Evaluation of Performance of Ships Based on Weighted Grey Relational Model

基于加权灰关联模型的船舶性能综合评价

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It's very different from managing according to the traditional relational model.

它与依据传统的关系模型来管理数据有很大区别。

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Checking Consistency of UML Class Diagram with Relational Model

基于关系模型的UML类图一致性检验

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Example: a UML to Relational model transformation

例子：一个UML到关联模型的转换

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This paper discusses how to map object model into relational model, which to save objects.

本文对映射对象模型到存储数据的关系模型的方法进行了探讨。

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Methods of Using XML to Represent m: n Relationship in Relational Model

XML表达关系模型中m：n联系的方法

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A learning algorithm based on Lyapunov stability is derived to fuzzy relational model identification in this paper.

本文在李雅普诺夫稳定性意义下，提出了一种辨识模糊关系模型的学习算法。

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Partial relational model is the extension of the relational data model in data domains.

偏序关系模型（Partial Relational Model）是对关系数据模型在序领域中的推广。

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Relational model of data for large shared data

大型共享数据的关系模型

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An Ability-Course Relational Model and Its Application in Undergraduate Engineering Programs

应用型生物工程本科微生物学课程群教改刍议本科工程教育的能力与课程关系模型及其应用

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A study of EDM technological database based on relational model

基于关系模型的电火花加工工艺数据库的研究

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This paper defines for course important level first, has made major assessment index and its relational model.

本文首先对课程重要程度进行定义，并在深入分析的基础上，提出了主要评价指标及其关系模型。

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