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Data & Analytics · Intermediate

Kimball Methodology

Ralph Kimball's bottom-up approach that builds a data warehouse from dimensional star schemas linked by conformed dimensions.

Definition

Kimball focuses on business processes, declaring the grain, then identifying dimensions and facts. Data marts are integrated through a bus matrix of conformed dimensions, which delivers value quickly and suits BI tools.

Exam tip

Kimball = bottom-up, dimensional, conformed dimensions. Inmon = top-down, normalized EDW first.

Related terms