A dimensional model cannot be based on a single source.

Name: A dimensional model cannot be based on a single source.
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A dimensional model can be based on a single source. In fact, one of the advantages of dimensional modeling is that it can simplify complex data structures by focusing on a single subject area or data source. However, it is recommended to integrate multiple sources if they are relevant to the subject area being modeled.

A Dimensional Model Cannot Be Based on a Single Source