relational model meaning in English
(关系模型):以表(或关系)的形式表示数据的数据模型。
关系模型
Examples
- In this paper , a discussion of construction of the knowledge base by the relational model is presented . we analyze the knowledge into groups , each one called a knowledge point . then , use rm to organize the knowledge points to form two databases ; one is called the attribute database , and the other called linkage database
同时教学系统还必需具有大量多媒体数据的管理能力,学科知识库与教学材料库结合也是一个重要问题。本文使用关系模型讨论建立学科知识库的方法。首先把学科知识分解为知识点,用关系模型来组织知识点,形成知识点属性库和链接库。 - Secondly , using the design method of relational database , we construct the relational model of this system and do research on the storage pattern of geometric information of the parts in database . we present a method for recording the geometric information of standard parts based on the data file and this method not only makes it convenience to manage and service the database but also makes it easy to extend spl
其次,利用关系数据库的设计方法,建立本系统数据库关系模型,并对数据库中零件几何信息的存放方式进行研究,提出以数据文件记录标准件几何信息的方法,方便数据库的管理和维护,使得标准件库易于扩充。