【摘要】 介绍了单层和多层数据库构建模式 ,重点介绍多层分布式应用的具体结构 ,在此基础上 ,分析得出多层结构的优势 .介绍了实现多层分布式应用的技术 MIDAS,讨论了怎样利用 Delphi实现基于 MIDAS的多层分布式数据库应用 .以实例形式说明了利用 Delphi建立多层应用的步骤 ,给出了应用实例的应用结果和部分应用界面更多还原

【Abstract】 This paper introduces the structure of c/s and multi tier database, especially introduces the particular structure of multi tier distributed database. On this base it analyzes and educes the superiority of a multi tiered distributed application. It also discusses how to build a multi tiered distributed application based on MIDAS with Delphi and shows the applying steps by an example. It gives the results of the application and partial application interfaces of the example.更多还原