LI Rui-tai
Abstract
A concept of granularity and a determinative principle of granularity′s degree in data warehouse are recounted.Finally the dual granularity′s degree which existed frequently on the data warehouse is discussed through an example.
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A concept of granularity and a determinative principle of granularity′s degree in data warehouse are recounted.Finally the dual granularity′s degree which existed frequently on the data warehouse is discussed through an example.
Key concepts: Granularity, Degree (music), Data warehouse, Computer science, Warehouse, Determinative, Data mining, Database