【摘要】 分析了现有企业数据集成中分布式多数据库之间数据转换方法的缺陷,提出一种基于协商的分层、分模块的数据转换中间件DMDBM,通过事务级别的控制,从而保证数据集成的健壮性、有效性,较详细地讨论了DMDBM的功能、组成和工作原理。更多还原

【Abstract】 Paper analyzed the shortcomings of the data exchanging method among enterprises,and preferred a database middleware model,named Distribute MultiDatabase Middleware(DMDBM).DMDBM is based on negotiation and comprised with three layers and each layer is comprised with many modules.Transaction control make DMDBM robust and effective.At the same time, paper discussed the function,framework and principles of DMDBM.更多还原