异端邪说下
发表于 2025-4-1 02:22:07
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充足
发表于 2025-4-1 09:58:22
Lazy Aggregates for Real-Time OLAP called the tolerance invariant is proposed. Lazy aggregates are aggregates that are recalculated only when the tolerance invariant is violated, i.e., the error of the previously calculated aggregate exceeds the given tolerance. An industrial case study is presented. The prototype implementation is described, together with the performance results.
dissolution
发表于 2025-4-1 12:54:35
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沉着
发表于 2025-4-1 15:26:25
The Outward Transit Pass Questionections of queries follow some . and argue that the class of queries covered by such patterns is relevant for practical purposes. We show a way to implement these collections in an efficient manner. We have carried out experiments with the TPC-D benchmark in order to test our approach.