Data Warehousing by Example - Database Answers

A Data Warehouse can be either a Third-Normal Form ( Z3NF) Data Model or a Dimensional Data Model, or a combination of both. One benefit of a 3NF Data Model is that it facilitates production of A Single Version of the Truth. Multiple Data Marts will usually share common Dimensions, such as Dates, which we will call onformed Dimensions. 2.3 Steps

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