图书馆数据库安全技术研究

Research on Database Security in Library

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，数据库的安全已成为当前图书馆界关注的热点问题。文章给出了数据库安全性要求；通过分析图书馆数据库的结构模式。提出安全机制分层模型，并对每层安全策略进行了阐述；最后，设计了一种四层体系结构的数据库系统，解决了传统三层体系结构在安全性上存在的问题。参考文献6。

The Development and application of Database serve as the core in the development of library information resources and reader service. Database security is becoming a hot issue in library circle. The demand for database security is Presented in this paper. From the analysis of database architecture, we fetch out the security mechanism layer model and expatiate on the Policy of each laYer. In the end, a new four- layer database system structure is designed, which can solve security problems in the traditional three- layer structure. 6 Refs.