Two designs were proposed. Design A would define primary keys in datasets. Design B would distinguish structured and unstructured data. The team must pick the approach aligned with vendor best practices. Which choice is correct?
Multiple choice — select one answer
Answer choices
Architectural breakdown & explanation
Keys enforce relational integrity. Compare with Tables vs documents/media: Data type drives tooling.
Correct answer(s): a. Unique identifiers per entity grain
Exam domain: Domain 1: Data Concepts and Environments (25% weight on the official guide).
Official documentation & study links
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