本源码为电子警察数据库备份工具，实现了对远程SQL Server2000数据库的连接和本地数据库的保存、文件备份等功能。由于远程数据库源码不便携带，所以这里关闭了ADO连接，不过读者可通过代码中使用到的字段进行建立。本代码算不上什么高质量的代码，里面的设计思想也只适合与RAD的设计思想，但是可以演示远程和本地数据库的一些控制方法，希望读者批评指正。-the source for electronic police database backup tool, a pair of remote SQL Server 2000 database connectivity and the preservation of local databases, file backup capabilities. Because the remote database source inconvenience portable, so here closed ADO connections, but the reader through the use of code for the establishment of the field. What this is not a high-quality source code, there is also the design and RAD are only suitable for the design idea, but we can demonstrate long-distance and local control of the database, in the hope of correcting the reader criticism.