In response to my columns on the qualifications of the data modeler, a reader inquired about who is responsible for validating the data model. In the last column from the March/April 2011 issue of Information Management, we examined the responsibilities for the business data model; in this column, I will explore the validation responsibilities for the technology model.

Unlike the business data model, which presents information from the business perspective, the technology model, also known as the system model or physical model, provides the structural information for the data structure that needs to be created.

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