基于VPD和RBAC的权限管理技术探讨

摘要

对权限进行了定义和分类,研究和探讨了基于角色的访问控制方法(RBAC);针对传统RBAC方法的不足,对传统RBAC进行了改进,并在此基础上提出利用ORACLE的虚拟专用数据库技术来实现用户访问控制的观点.%It gives definition and classification for rights, and makes research and discussion on RBAC; it improves the defects of traditional RBAC, and based on it, it points out to realize the user access control by using of the virtual special database technique of ORACLE.