Which of the following steps may not be used to define the existing data model as a precursor to re-engineering a new database model ?
Correct answer: D. Discover user interfaces
- A. Build an initial object model
- B. Determine candidate keys
- C. Refine the tentative classes
- D. Discover user interfaces
Explanation
Recovering an existing data model involves building an object model, finding candidate keys, and refining classes. Discovering user interfaces concerns system interaction, not the database's underlying data model.
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