开发一个分布式多层数据库图书管理系统，学习用delphi开发分布式多层数据库系统。采用Delphi6.0和MS Server2000等软件为开发工具,较复杂,可用于毕业设计-development of a distributed multi-tier database library management system, delphi study with the development of distributed multi-tier database system. Using Delp