In response to my columns on the qualifications of the data modeler and how that can help business, a reader inquired about who is responsible for validating the data model. The answer to this question depends on the type of model being validated. In this column, I will examine the responsibilities for the business data model and in a future column, I will look at the validation responsibilities for the technology data model.

The business data model, also known as the enterprise data model, conceptual data model or logical data model, describes the major information of interest from a business perspective. This model is rarely created as a single project - it is typically built incrementally as needed to support new data structures. It is the unifying model, and all of the subsequently developed data models must be consistent with this one.

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