【摘要】 介绍一系统适应数据模型优化作业的兼容性方案,提出在应用系统和数据库系统之间介入一模式转换模块,可实现数据模型的封装,使系统能自动适应数据模型优化后的变化.更多还原

【Abstract】 This paper presents a new solution to deal with contradiction between data model’s change and software’s maintenance. The pattern- transform module is designed to intervene between application layer and database layer . Due to its achieving the packaging of data model, the application system can adapt the optimized data model without changes.更多还原