The multi-join query optimization is the critical problem of parallel query optimization in parallel database system.

多连接查询优化是并行数据库系统的核心问题。

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Now most of the research work is based on the storage of single relation, and could not support effectively complex multi-join query.

已有的研究工作多集中在基于单个关系的存储分布，不能有效支持复杂多连接查询处理。

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Multi-Join Query Optimization;

多连接查询优化；

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Multi-Join Query Optimization;

多连接查询优化；

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