relational data base

Web database and knowledge base standard of mineral processing were built, and traditional rule, frame, semantic model and predicate logic knowledge were characterized by relational data pattern.

构造了选矿基础Web数据库，建立了统一的知识库标准，基于关系模式表征了传统的规则、框架、语义网络、谓词逻辑等知识；

The main contribution of the paper is to solve the following defects of the original eugenic knowledge base system: 1. Data source entirely from a single relational database. 2.

论文的主要贡献是解决了原有优生知识库系统的以下缺陷：1.数据源完全来自于单一的关系型数据库。

And the SQl is considered as standardized language of Relational Data Base Management System.

SQL被作为关系型数据库管理系统的标准语言。

2) Integration of relational data base and object-oriented design by using Active Data Objects ( ADO).

2）利用Active Data Objects（ADO）数据库接口技术，实现关系型数据库与面向对象设计方法的集成。

From flat file to relational object data base;

从平面文件到关系对象型数据库；