比较可以的源码，关于dbhelper的 非常号，非常实用

仓库管理信息系统 DELPHI代码作的，有解释-Warehouse Management Information System for the DELPHI code, has explained

用vc6.0写的sqlserver人事管理系统-Sqlserver written by vc6.0 Personnel Management System

SQL 多表联合查询，实现动态语言查询，可加注到储存过程实现每天自动更新数据数。(SQL multi-table queries, dynamic language queries, stored procedures can be raised to automatically update data per day.)

BDA mysql component for accessing mysql databases

说明：  sp executesql动态SQL变量传递(sp executesqlsp executesql)

学生成绩管理,好好看,哈哈 哈哈 -student performance management, good, Ha Ha Ha Ha Ha Ha Ha Ha Ha

北京网上书店项目php.this文件最佳把手项目

Function in SQL that remove special chars from a string. Can be used with others SQL comands.

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运动会成绩统计系统。运动员的添加，删除，修改，运动队伍的相关查询，个人和集体成绩，金牌总数的查询。功能很全面，界面也很简洁。推荐给大家！-Games results statistical system. Athletes add, delete, modify, sporting teams related inquiries, individual and collective achievements, the total number of gold medals inquiries. Function very comprehensive, very simple interface. Recommend it to everyone!