The data modeler is a key position in any business intelligence initiative. But what does it take to be a good data modeler? The skill requirements go well beyond knowledge about how to create and maintain a data model. A person with know-how can create a model that is structurally correct, but building one that is accurate from a business perspective takes more than basic modeling skills.

Modeling skills that are fundamental to the position include model environment establishment, entity relationship model development, data model maintenance, normalized and dimensional modeling and modeling tool proficiency. We'll look at these skills one at a time; analysis skills will be addressed in my next column.

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