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Mechanism for constant-space indexing optimized data block merging
Mechanism for constant-space indexing optimized data block merging
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机译:恒定空间索引优化数据块合并的机制
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摘要
In one aspect, a computer-implemented method includes calculating cardinality differences and combined sizes for one or more data block pairs in a relational database. The method also includes selecting a data block pair from the one or more data block pairs based on a calculated cardinality difference and a calculated combined size associated with the selected data block pair. The method further includes merging the selected data block pair to form a merged data block, and replacing the selected data block pair in the relational database by the merged data block.
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