嵌入式全关系系统CR-Foxpro基本运算的实现

THE METHOD OF ACHIEVING FUNDAMENTAL OPERATIONS IN THE EMBEDDING COMPLETE RELATIONAL SYSTEM CR-FOXPRO

叙述了在作者开发的嵌入式全关系系统CR-Foxpro(Complete Relation-Foxpro)中关系代数基本运算操作命令的实现,并且使用作者提出的关系除法运算的基本运算表达公式实现了除法操作。

This article discusses the method of achieving fundamental operations in the embedding complete relational system CR-FOXPRO developed by author. It uses the fundamental expression of relational division proposed by author in achieving the divisional operations.