摘要
本文以节水灌溉方式评价与优选决策支持系统为例,讨论了类之间的泛化、关联、聚合关系映射为关系模式的实现,完成了不同设计工具之间数据形式的转换,解决了面向对象设计技术与数据库设计技术之间的矛盾。
In this paper,water-saving irrigation evaluation and optimization decision support system,for example,discussed the implementation of the between-class generalization,association,aggregation relationship is mapped to a relational schema,complete the form of data conversion between different design tools to solvethe contradiction between the object-oriented design techniques and database design techniques.
出处
《科技信息》
2012年第5期118-119,共2页
Science & Technology Information
关键词
UML
类图
E-R图
关系模式
映射
UML
Class diagram
ER diagram
Relational schema
Mapping