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a) Identify and describe at least six factors that can be used to evaluate the quality and validity of a Data model. b) With the
a) Identify and describe at least six factors that can be used to evaluate the quality and validity of a Data model. b) With the aid of a diagram, distinguish between the conceptual, Logical and physical data model. Show the different models relate to each other. c) Identify the different agents involved in the data modelling process and their roles. note: please answer fast with refrences
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