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
- It provides a db2 relational model for the remote data and assists the federated engine in query processing by sending sub - queries to the remote data source
它提供了远程数据的db2关系模型，并通过向远程数据源发送子查询以帮助联邦引擎实现查询处理。 - Client / server structure system is defined as structure of this system this paper analyzed system structure according to the methodology of object - oriented based relational model
在关系模型的基础上部分引入了面向对象的概念，按照第三范式完成数据库的逻辑结构设计。 - The database theory starts for 1960s , and come through hierarchical model database system , network model database system , and relational model database system
数据库技术始于20世纪60年代,几十年来,数据库技术的发展经历了由层次数据库系统、网状数据库系统,到关系数据库系统。 - Rule 4 : dynamic on - line catalog based on the relational model a relational database must provide access to its structure through the same tools that are used to access the data
原则4 :动态在线编目以关系模型a为基础，关系型数据库必须提供用访问数据相同的工具访问其结构的功能。 - The construction of relational model based workflow management system create a kind of new development mode of information system , it is a good reference to likewise system
基于关系模型的工作流管理系统的实现开创了一种新的信息系统开发模式，对开发类似系统具有一定的参考价值。