OLAP数据库和聚合函数

Proceedings Thirteenth International Conference on Scientific and Statistical Database Management. SSDBM 2001 Pub Date : 2001-07-18 DOI:10.1109/SSDM.2001.938542

H. Lenz, B. Thalheim

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引用次数: 58

摘要

聚合函数是一类必须在任何数据库应用程序中可用的泛型函数。我们描述了聚合函数可以正确应用于在微数据上计算的宏数据(数据立方体)的情况。

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OLAP databases and aggregation functions

Aggregation functions are a class of generic functions which must be usable in any database application. We characterize the case where the aggregation functions can be correctly applied on macrodata (data cube) which are computed on the microdata.

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Proceedings Thirteenth International Conference on Scientific and Statistical Database Management. SSDBM 2001

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