【摘要】 介绍了一种较为灵活有效的基于隐藏菜单的数据库安全机制，它是根据不同的用户级别显示出不同的用户菜单， 从而有效地控制非授权用户对应用程序的操作，保证数据库中数据的安全，重点介绍了此安全机制的重要函数、过程和主要代码，并给出了完整的步骤。更多还原

【Abstract】 This paper introduces a kind of effective database security rule based on concealed menus,which shows different user menus according to different user’s standards and controls effectively non- dictated users operation of the application program so that the security of the data in database can be assured. In addition,some important functions,process,and main codes about the security rules are introduced and so are some integral steps.更多还原