This paper analyzes the security mechanism of SYBASE database management system and the model of Role-based Access Control.
文章分析了SYBASE数据库管理系统的安全控制机制和基于角色的数据访问控制模型。
It adopts the trigger of intrusion detective system and intrusion deception mechanism to fool and hold off attackers, enhance the security of database system.
该模型从入侵容忍机制所关注的触发器进行考虑，采用入侵诱骗策略来迷惑和拖延入侵者，增强了数据库系统的安全性能。
At last, the thesis analysised the security mechanism of general geological database to make sure that the system is useful and security.
最后剖析了综合地质数据库的安全机制，使系统不但在功能上并且在数据安全上得到保证。
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