In enterprise data modeling (high-level, organization-wide data planning), which activity listed below is INCORRECT?
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AYou review current systems.
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BYou implement the new database.
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CYou describe the data needed at a very high level of abstraction.
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DYou plan one or more database development projects.
Answer
Correct Answer: You implement the new database.
Explanation
Introduction / Context:Enterprise data modeling is a strategic planning activity that creates an organization-wide view of data. It precedes project-level design and physical implementation.
Given Data / Assumptions:
- Enterprise data modeling focuses on scoping, goals, and high-level entities/relationships.
- It informs later project-specific logical and physical design.
- Implementation is operational, not strategic.
Concept / Approach:The enterprise model identifies subject areas, major entities, and integration points across departments. Activities include assessing current systems, defining high-level requirements, and planning downstream projects. Physical build and deployment occur after detailed design, not during enterprise modeling.
Step-by-Step Solution:
Check each option against strategic scope.Review current systems → strategic and valid.Describe high-level data → valid.Plan projects → valid output of the modeling stage.Implement database → outside enterprise modeling → incorrect.Verification / Alternative check:Methodologies place enterprise data modeling before logical/physical design and build phases.
Why Other Options Are Wrong:They are genuine activities of strategic analysis and planning.
Common Pitfalls:Blurring strategic and project execution phases; trying to implement before aligning enterprise semantics.
Final Answer:You implement the new database.