摘要
为了实现在物理隔离条件下非连接数据库之间的数据交换,该文将数据交换分类为双向镜像和单向追加两类,重点论述了镜像数据库数据一致性的方法、数据更新冲突的类型和解决以及单向追加时表间链接关系一致性的维护方法。并结合“电子政务数据安全交换平台”的开发经验,探讨了具体的实现方案。
In order to exchange data between the disconnected databases in the condition of physical isolation,this paper classes that as bidirectional mirror exchange and unilateral superadd, and emphasizes on discussing the method of data consistency between mirror database , the types and resolvent of conflict caused by data update, and the method of relation consistency among tables in unilateral superadding. Based on the project of 'data security exchange platform in E-government', this paper discusses the realization scheme.
出处
《计算机工程》
CAS
CSCD
北大核心
2004年第17期77-78,156,共3页
Computer Engineering
基金
国家"十五"科技攻关计划资助项目(2002BA105A-01-02)
关键词
据交换
数据一致性
物理隔离
电子政务
Data exchange
Data consistency
Physical isolation
E-government
