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Parallel query optimization strategies for replicated and partitioned tables
Parallel query optimization strategies for replicated and partitioned tables
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机译:复制表和分区表的并行查询优化策略
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摘要
A method, apparatus, and article of manufacture for optimizing database queries. The query is analyzed to determine whether at least a portion of the query can be evaluated using a plurality of parallel operations without data redistribution. If so, then the most efficient query execution plan that uses these parallel operations is constructed and executed.
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