实现图书管理系统，使用MFC编写；利用VC++与数据库相结合的方式实现数据库简单操作-Library management system, the use of MFC preparation use a combination of VC++ with the database to achieve a simple database operations

MP3播放，以及access数据库的操作未婚-MP3 players, and unmarried and so access the database operation

语音点名系统。采用ado对数据库进行添加、修改、删除、保存等操作，用Speech SDK 5.1实现语音随机点名功能。-Voice roll call system. Ado database add, modify, delete, save operation, named Speech SDK 5.1 Voice random function.

一个儿童接种的数据库通信操作基类，有对各个数据库间的通信，如儿童基本信息2疫苗信息4接种情-A of children vaccinated communication operations base class, the communication between the various s, such as basic information for children 2 vaccine inoculated love