【摘要】 文章介绍了面向对象的数据库建模语言ODL和传统的E/R图建模方法,并提出将可拓学的方法引入数据库建模中,对建模对象进行分析和推理,以获得最优数据库模型。更多还原

【Abstract】 The paper introduces object oriented database modelling language ODL(Object Definition Language) and conventional E/R modelling method,and puts forward to introduce extension theory to database modelling,to analyze and reason the modeling object with extension theory,so as to get the best database model.更多还原