The distributed data query is the core of the distributed database managing system, but the optimized query algorithm is the key technology in query processing.
分布式数据查询是分布式数据库管理系统的核心，而查询优化算法又是查询处理中的关键技术。
In this paper, we describe an algorithm, for query processing with semantic optimization in distributed relational database 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。
The distribute data query is the core of the distribute database manages system, but the optimized query algorithm is the key technology in query the processed.
分布式数据查询是分布式数据库管理系统的核心，而查询优化算法又是查询处理中的关键技术。
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