摘要
Visual Fox Pro 6 .0中数据表关联具有“一对一”、“一对多”、“多对多”三种基本类型和“永久性”、“临时性”两种关系式 ,利用一致性及这些关系形式建立关联数据表可减少数冗余度 ,提高数据信息的共享性 .
In Visual FoxPro 6.0 the connected data diagram owns three essential types which has the characteristics of one to one,one to may and many to many.It also has relative forms,which are permanent and temporary.The related data diagram can be built by the consistency of data and relationship of data.It can reduce the unnecessary data and improve the enjoyment of the information from data.
出处
《雁北师范学院学报》
2002年第2期43-46,共4页
Journal of Yanbei Teachers College
关键词
VFP
数据表
关联性
Visual FoxPro 6.0,datasheet,association
