本程序实现了想数据库中添加多媒体文件和文件说明，同时 还可以浏览相应的文件图标。点击连接，还可以打开文件， 能够方便的查看多媒体文件的属性和打开多媒体。 通常，要想在数据库中调用多媒体文件，两种方法：内置和外挂。 一般内置法只合适于小的图象数据库。外挂法的特点： 数据库和多媒体文件相互独立，即在数据库中只有文件名， 没有文件本身。当然，数据库中文件名对应的文件最好是 都保存在同一个目录下面。-the program to the database to add multimedia files and notes, can also browse the corresponding document icon. Click on the link, can also open documents to check to make multimedia files attributes and open multimedia. Usually, if the database called multimedia files, both methods : Internal and external. Built-law generally only suitable for small image database. External features of the Act : databases and multimedia files independent of each other, only in the database file name, not the file itself. Of course, the database file name corresponding document is best kept in a directory.