定时备份数据库可以有效防止数据丢失，本源码可以设置备份时间，备份数据库和备份路径。...

用Delphi实现的一个简单的学生信息管理系统

一卡通考勤系统，采用PB编写，sql2000数据库-Card attendance system, using PB to prepare, sql2000 database

餐饮管理系统，功能还可以，完整代码，包含数据库-Food Management System, functions can also complete code, the database contains

数据库连接通用类,有了它，你再也不用担心数据库为什么连接不上了，只要给它数据库的路径，其它的全帮你搞定-Database Connection generic class, with it, you no longer have to worry about database connectivity why not, as long as its database to the path of all other Bangnigaoding

通过ADO操作SQLSERVER数据库，获取用户MAC地址，分发不同的IP地址，并记录在数据库中，附带了不重启设置IP地址（因为作者在的局域网,ip为25.51.X.X,所以其中部分修改IP代码请根据情况改变!-SQLSERVER operated by ADO database users access to the MAC address, the distribution of IP addresses and records in a database, not a fringe restart set the IP address (as the author of the LAN, ip to 25.51.X.X, among the partial revision of IP under the code of the requested change!

不用ado，用ntwdblib.lib来实现Ado的功能。-not ado, and to achieve ntwdblib.lib Ado function.

Powerbuilder8.0实用程序设计100例之1-10-Powerbuilder8.0 Utility Design 100 Cases of 1-10

自建词典的开发界面和底层数据库操作 整个包上载-relying on the development Dictionary interface and the underlying database operation on the whole package

商品销售管理，共包括以下模块：系统管理，商品信息，进货管理，销售管理，库存管理，查询管理，报表管理。-sales management, and it includes the following modules : system management, commodity information, and distribution management, sales management, inventory management and query management, report management.

一个完整的商业源码"远程抄表系统"其中用到了数据库操作,视频采集,数据采集等方面的功能,我觉得是学习的好东东.-A complete commercial source