Visual Basic将多媒体文件保存到数据库中-Visual Basic multimedia files will be saved to the database

将多媒体文件保存到数据库中，或将数据库中的多媒体文件显示出来。-Visual Basic media

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