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首页> 外文会议>6th International Conference on Asian Digital Libraries, ICADL 2003; Dec 8-12, 2003; Kuala Lumpur, Malaysia >Applying UML to a New Model for Transformation of Spatial Data from Relational Database to Object-Oriented Database
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Applying UML to a New Model for Transformation of Spatial Data from Relational Database to Object-Oriented Database

机译：将UML应用于空间数据从关系数据库到面向对象数据库的转换的新模型

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The design of the new model for the full transformation of the spatial data from relational database to object-oriented database is performed in object-oriented environment using the object-oriented analysis and design tools. It consists of the static modeling of the software components of the new model. It involves the creation of the design class diagram, which indicates all the classes and the relationships identified in the new model. In addition, it couples the dynamic modeling of the software components which produces an active database in completing the data transformation and application transformation processes. This has contributed significantly in eliminating the prevailing problem of "impedance mismatch" in the database technology. The dynamic modeling involves the trigger mechanism that interacts among the software objects to accomplish the transformation. The application of UML enhances the design of the new model especially in the dynamic modeling of the active database. The artifacts created in this design phase by applying UML provide a significant degree of the information necessary to implement the transformation system. Besides, UML creates an easily reusable, extensible and maintainable design of the new model especially in the distributed computing environment.
机译：使用面向对象的分析和设计工具，在面向对象的环境中执行将空间数据从关系数据库完全转换为面向对象的数据库的新模型的设计。它由新模型的软件组件的静态模型组成。它涉及设计类图的创建，该设计图指示新模型中标识的所有类和关系。此外，它还结合了软件组件的动态建模，从而在完成数据转换和应用程序转换过程时产生了一个活动数据库。这为消除数据库技术中普遍存在的“阻抗不匹配”问题做出了重要贡献。动态建模涉及触发机制，该触发机制在软件对象之间进行交互以完成转换。 UML的应用增强了新模型的设计，尤其是在活动数据库的动态建模中。在设计阶段通过应用UML创建的工件提供了实现转换系统所需的大量信息。此外，UML尤其在分布式计算环境中，为新模型创建了易于重用，可扩展和可维护的设计。

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