Distinguish between a model and a data model?


“Distinguish between a model and a data model”?


Some students may indicate that a data model is restricted to being a conceptual expression of an intangible real-world object. This is just half true. Please ask them to read the last sentence of the second paragraph on page 14 in Section 1.6. It indicates that objects, tangible as well as intangible, can be modeled using descriptors.

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