data independence造句
例句与造句
- Db2 s optimizer is the component that accomplishes this physical data independence
Db2的优化器是完成该物理数据独立性的组件。 - This separation of access criteria from physical storage characteristics is called physical data independence
从物理存储特征中分离出访问标准叫作物理数据独立性。 - Physical data independence : the capacity to change the internal schema without having to change the conceptual schema
逻辑资料独立：不必改变外部纲要或应用程式，即可改变概念纲要的能力。 - And , it becomes a standard pattern of data exchange of cross platform and a standard pattern of operation because of xml data semantics and xml data independence
同时,由于xml的数据语义和数据独立性,它成为跨平台数据交换和操作的标准模式。 - On the background of dalian maritame university science and technology information decision support system construction faced with the deficience of data independence and duplication in its many - year used files processing system and the late demands of the new environments against the science and technology managements ; this paper analysis detailedly the business activities and function needs of the system and defines that the intelligence and ability dcision system with multi - model peocessing constructive is the optimum solution scheme to realize the system destinations
本文以海事大学科技信息管理为背景，针对其多年沿用的文件处理系统中数据独立和数据重复等不足以及新环境对科技管理的新要求，详细分析了系统的业务活动和功能需求，确定了建立基于c s数据处理结构辅以模型程序可视化、数据挖掘等技术的科技管理与决策系统为实现其系统目标的最佳解决方案。 - It's difficult to find data independence in a sentence. 用data independence造句挺难的
- Aim at special application , this article brings out some data models based on nonstructured engineering data model and use the theory in engineering data model research area for reference , combines the data modeling technology with the object oriented technology , uses the object oriented technology to abstract objects for the application system and abstract the application frame , converts the polymorphism character of the object oriented frame to the complex data storage character , realizes the permanent management of object method hi the object oriented system , and then from the position of data independence , separates the method independent management from the object frame and achieves the polymorphism and extensibility of the object oriented system , fulfills the enterprise application who need customize the software function
本文在非结构化工程数据模型的基础上，吸取非结构化工程数据模型的研究成果，提出针对专门应用的复杂数据模型，并将数据库建模技术与面向对象技术相结合，按照面向对象的方法对工程应用进行分析建模，抽取出系统的对象框架结构，将面向对象系统的实现方法作为复杂数据模型处理，实现对象方法的持久化管理，从而在数据独立性的角度将对象方法从对象框架分离出来单独管理，在更高的层次上实现了面向对象系统的多态性和可扩展性，满足了企业复杂应用中对软件系统进行柔性定制的要求。课题研究的问题为面向对象系统中对象方法的持久化存储与管理。