Discussion
Needing to using more complicated SQL in database applications is a(n) ________ of normalization.
Answer: B
Correct answer: disadvantage
Normalization spreads data across more tables, so a query that once read a single table now needs joins and often subqueries. That extra complexity is a real cost - harder to write, harder to read and slower to run - and it is one of the two standard disadvantages set against the elimination of modification anomalies. It is why denormalization is sometimes chosen deliberately.
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