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Jim Gray 等人的经典论文,提出 data cube 关系聚合算子,将 GROUP BY 推广到 N 维聚合,并讨论高效计算方法,其中许多特性后来被纳入 SQL 标准。该论文是 OLAP 与数据仓库领域的奠基性工作。
The article demonstrates a method for building fast drilldown dashboards from a single Parquet data cube using the Hyparquet JavaScript reader and HTTP range requests against object storage, eliminating the need for a traditional database.