用文法分析方法和EP图实现系统分析设计的第一步

Implementation of the First Step of System Analysisand Design by Syntax Analysis and E-P Diagrams

探索了一种用文法分析方法和EP(EntityProperty)图来实现将现实事物和业务关系转换成数据库结构的途径 ,并结合一个开发实例说明了应用这种方法设计出的库结构 ,能充分反映现实事物关系。

The paper researches a way to transform the entities and processes in the real life into the database structure by syntax analysis and E-P(EntityProperty) diagrams.And the structure of database that is designed by the method may show the relations of real entities and processes,which is proved through an example.