摘要
分布式数据库的开发和利用是图书馆信息资源建设和读者服务的核心内容,其安全性已成为当前图书馆界关注的热点问题。文章分析了分布式数据库安全需求;提出了安全机制分层模型;最后,设计了一种四层体系结构的分布式数据库系统,解决了传统三层体系结构在安全性上存在的不足。
In the information resource construction of library and the services for readers, the development and employment of distributed database are an important foundation. Database security is becoming a hot issue in library circle. The demand of distributed database security is presented in this paper, and the security mechanism layer model is fetched out. In the end, a new four-layer database system structure is designed, which can solve security problems in the traditional three-layer structure.
出处
《现代情报》
北大核心
2007年第4期161-163,共3页
Journal of Modern Information
关键词
图书馆
分布式数据库
安全
Library
Distributed database
Security
