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Data & Analytics · Intermediate

Inmon Methodology

Bill Inmon's top-down approach that builds a normalized (3NF) enterprise data warehouse first, then derives dimensional data marts.

Definition

The Inmon approach emphasizes enterprise integration and a single version of the truth, at the cost of a longer initial build.

Exam tip

The 'Corporate Information Factory' and 3NF EDW point to Inmon.

Related terms