These multidimensional OLAP, or MOLAP, products typically run faster than other approaches, primarily because it's possible to index directly into the data cube's structure to collect subsets of data.

这些多维的OLAP产品，即MOLAP产品，运行速度通常比其他方法更快，这是因为能直接把索引做进数据立方的结构，方便收集数据子集。

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