【摘要】 本文分析了基于角色的数据库权限管理机制 ,介绍了角色系统管理模型及角色的构造原则 ,并结合ORACL E数据库系统给出角色使用与控制的一些应用技术及控制实例更多还原

【Abstract】 A kind of role based database privilege management mechanism is analyzed in this paper. It introduces the administrative model in the role system as well as its constituting principles of roles. It also describes the techniques for role application and control, and some samples of access control on an Oracle database system.更多还原