use form to access different mysql database

使用sql编写的小型商场数据库： （1）能记录每一笔进货，查询商品的进货记录，并能按月进行统计。 （2）能记录每一笔售货，查询商品的销售情况，并能进行日盘存、月盘存。 （3）能按月统计某个员工的销售业绩。 （4）在记录进货及售货的同时，必须动态刷新库存。 （5）能打印库存清单，查询某种商品的库存情况。

sqllite使用方法，它是个轻量级数据库，不错，大家可以使用一下(sqlite)

1． 了解备份设备的概念并掌握如何管理备份数据库保护包括数据库恢复，并发控制，数据库的安全性控制4个部分设备，掌握完全备份和还原的基本技术-1. Backup equipment understand and grasp the concept of how to manage database backup protection, including database recovery, concurrency control, database security control of four some of the equipment, master backup and restore fully the basic skills

这个程序是一个学生住宿系统，基于vc++6.0开发,有着详细的数据库设计。本程序包提供完整的程序设计报告书和源代码实现。-This program is a student accommodation system, based on vc++6.0 development, has a detailed database design. This package provides a complete program design report and the source code to achieve.

几个老外写的源代码大家下载！！很棒的-Several foreigners to write the source code for everyone to download! ! Great

VC成绩管理系统，实现增加，删除，添加，查找等基本功能-VC performance management system, to add, delete, add, find the basic functions, such as

The Management Information System of Library using .NET -The Management Information System of Library using. NET

源码实现Internet购物的数据库设计代码以及相应的操作界面。通过本程序可以了解数据库的存储过程内容和WEB程序的设计。-Realize Internet shopping source database design code and the corresponding interface. Through this program can understand the contents of the database stored procedure and WEB design process.

c#数据库编程经典实例,非常不错，采用SQL 2005，里面的数据库连接之类的类可以拿来用-c# Database Programming classic example of very good, using SQL 2005, which like the database connection class can be used with

万能查询主要代码, 可按配置无限选择查询条件,自动生成SQL语句. -Universal check with their key code, can configure an unlimited choice of query, automatically generates SQL statements.