Discussion
Eliminating modification anomalies is a(n) ________ of normalization.
Answer: A
Correct answer: advantage
This is the central benefit and the reason normalization exists. A relation carrying more than one theme suffers insertion, deletion and update anomalies: a fact cannot be recorded without an unrelated one, deleting a row destroys information, and a single change must be made in many places. Decomposing into well-formed relations removes all three.
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