To improve the execution efficiency of the query processors, the authors exploit heuristics to seek the optimum parallel scheduling execution plan for multi-join expressions.

为了提高查询处理器的执行效率，采用启发式规则来搜索最优的多连接表达式并行调度执行计划。

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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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Multi-Join Query Optimization;

多连接查询优化；

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Yet the Bush administration recently, and for the first time, dispatched a diplomat to join multi-party talks with Iran over its alleged nuclear weapon ambitions.

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