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- Data Logical Structure 数据逻辑结构
- The logical structure of data in a data base. The three best known models are the hierarchical model, the network model, and the relational model. 数据库中数据的逻辑结构,最常用的三种为层次模型、网状模型和关系模型。
- These topics review how the store is organized, including both the logical structure you will typically interact with and the underlying data files. 这些主题总结了如何对存储进行组织,包括您将在通常情况下与之交互的逻辑结构和基本数据文件。
- In a data base, the establishing of the correspondences between a given logical structure and a given physical structure. 在数据库中,给定逻辑结构与给定物理结构之间建立对应关系。
- This knocked the bottom out of the logical structure of the theory. 这打破了理论逻辑结构的底限。
- Thereby I designed the logic structure of Topo Data Management module of this system based on J2EE (Java 2 Enterprise Edition). 并在此基础上设计出了基于J2EE的电信网管系统拓扑数据管理模块的逻辑结构。
- You can use a site map to describe the logical structure of your site. 您可以使用站点地图描述站点的逻辑结构。
- The logical structure of the main thesis is devided ihto six aspects. 论文的逻辑结构主要分六个方面。
- For example, flowcharts can express the logical structure of programs. 例如,流程图就可以表示程序的逻辑结构。
- The question of the logical structure of the real number system was faced squarely. 实数系的逻辑结构问题被正视。
- Introduce overseas advanced technology ,goody appearance ,logical structure , high efficiency ,operate simply. 引进国外先进技术,造型美观,结构合理,效率高,操作简便。
- One or more datafiles are explicitly created for each tablespace to physically store the data of all logical structures in a tablespace. 用户需要为每个表空间创建一个或多个数据文件来物理地存储属于此表空间的逻辑对象。
- After presenting the system design thinking, the paper develops the system function design, structure design, data flow analysis and establishes data base by system logic structure analysis. 在提出系统的设计思想之后,进行了系统的功能设计、结构设计和数据流程分析,通过对系统逻辑结构的分析建立了数据库。
- Principles, databases, logical structure, and components of the ASIS for SPIA are introduced in detail. 作者介绍了系统设计遵循的原则 ,详述了系统的数据库、逻辑结构和功能组成 ,并简要介绍了系统实现的途径。
- An element of the specific layout structure or of the specific logical structure. 特定布局结构或特定逻辑结构的一个元素。
- If these default options are not suitable for your requirements, you can create your own provider that accepts calls from membership and then fulfills them using your custom data logic. 如果这些默认选项不符合您的需求,您可以创建自己的提供程序以接受来自成员资格的调用,然后使用自定义的数据逻辑来实现。
- Innovation is not the product of logical thought, even though the final product is tied to a logical structure. 创新不是由逻辑思维带来的,尽管最后的产物有赖于一个符合逻辑的结构。
- A programmer views data logically, requesting the next record, or the name and address for a particular customer. 程序员从逻辑上考虑数据,为一个特定的顾客请求下一个记录或姓名与地址。
- In this paper,the logical structure of MIS-MMS is divided according to different procc ss missions. 本文从系统不同的处理任务出发,化分了MIS-MMS的逻辑结构。
- Using the Oracle9i AS as the J2EE application server and EJB as the developing technology, this paper designs the data logic layer and business logic layer in the digital university, which is the application layer component in the digital university. 以Oracle9i AS作为数字化校园的J2EE应用服务器,以EJB组件技术为开发工具,设计了数字化校园中的数据逻辑层和业务逻辑层,这是数字化校园中的应用层部分。