aggregation queries
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- 聚集查询
双语例句
- Based on randomizing techniques, this paper discussed how the sketch-based approach estimates approximate answers to aggregate queries.
摘要讨论了基于草图的复杂聚集查询的近似处理算法。 - HierPrefixCube retains advantages on computation and organization of PrefixCube, and it can directly support aggregate queries on levels of the dimension hierarchy.
它不仅保留了前缀立方在计算和组织结构上的优点，又能直接和充分支持维层次级的聚集查询。
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