This paper defines an extended multidimensional data model.
提出了扩展多维数据模型。
According to the structural characteristic of multidimensional data model and OLAP's needs, a various granularity storage method has been presented to store historical data.
文中根据多维数据模型的结构特点以及OLAP需求提出了一种变粒度存储策略。
According to the structural characteristic of multidimensional data model and OLAP's needs, a various granularity storage method has been presented to store historical data.
文中根据多维数据模型的结构特点以及OLAP需求提出了一种变粒度存储策略。
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