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SQL Server数据库的安全访问控制研究

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摘要 本文首先概述了数据库的访问控制策略和BLP模型,分析并改进了角色访问控制模型,然后在此基础上提出了一个改进的角色访问控制模型ERBAC-M。新模型引入了多级角色与内部角色的概念,通过二者在系统内部的自动转换,方便管理员进行权限管理的同时提供强制访问控制。
作者 孟媛媛
出处 《科技资讯》 2009年第20期140-140,共1页 Science & Technology Information
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