Discussion
The data model that is produced from reverse engineering is:
Answer: D
Correct answer: None of the above is correct.
What reverse engineering produces is not a clean model of any of the three kinds. It reflects the schema as built, including implementation compromises, denormalisations and physical artefacts, and it lacks the business meaning a conceptual model would carry. The result is best described as a quasi-logical model requiring interpretation and correction by someone who understands the application.
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