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Multidimensional data cubes with high-cardinality attributes

机译:具有高基数属性的多维数据多维数据集

摘要

Computer-readable media, systems, and methods for building a multidimensional data cube having one or more high-cardinality attributes are described. In embodiments, data is extracted from one or more databases. It is determined that one or more instances of the data are fact data and one or more instances of the data are dimension data. Each member of the fact data is one instance of a dimension and each instance of the dimension data includes an attribute for grouping the fact data. Moreover, in embodiments it is determined that one or more instances of the dimension data are high-cardinality attributes. The one or more high-cardinality attributes are processed with fact data and stored in fact tables on a computer storage medium.
机译:描述了用于构建具有一个或多个高基数属性的多维数据立方体的计算机可读介质,系统和方法。在实施例中,从一个或多个数据库提取数据。确定该数据的一个或多个实例是事实数据,并且该数据的一个或多个实例是维度数据。事实数据的每个成员是一个维度的一个实例,并且维度数据的每个实例都包括一个用于对事实数据进行分组的属性。此外,在实施例中,确定维度数据的一个或多个实例是高基数属性。用事实数据处理一个或多个高基数属性,并将其存储在计算机存储介质上的事实表中。

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