【摘要】 Oracle虚拟专用数据库通过提供细粒度访问控制保持了信息的私密性.本文介绍了Or-acle虚拟专用数据库的特点及实现过程,着重阐述了在基于虚拟专用数据库的管理信息系统中实现数据库用户与应用程序用户一多对应管理模式的设计方法,提高应用系统的安全性与灵活性.更多还原

【Abstract】 Fine-grained access control is provided by oracle virtual private database to keep the information security. This paper introduces the characters and design process of oracle virtual private database, then emphasis the design method of onedatabase user mapping to multiply applications user in MIS, which based on virtual private database. By this way enforcing applications security and flexibility.更多还原