In this paper, we describe an algorithm, for query processing with semantic optimization in distributedrelationaldatabase systems.
本文描述一个分布式关系数据库系统中具有语义优化的查询处理算法。
2
Storing stateful information that is dynamic, distributed and hierarchical requires a different infrastructure that is not relationaldatabase centric.
保存动态、分布式、层次的和有状态信息要求一个不同的基础设施，它不是以关系数据库为中心的。
3
Database information is mapped using a JCache implementation, cached in an ActiveSpace clustered cache and distributed to the application through an object relational mapping.