SQL · interview question
A teammate submits shaky joins code. Which review comment is the strongest?
Multiple choiceMediumchapter-11-curatedpremiumsqljoins
Answer and explanation
Correct answer
A. Make the rule clearer and easier to explain. Join tables when the use case genuinely needs facts that live in different normalized relationships.
Why
The best review comment anchors the change to readability, correctness, and future maintenance. Fear of joins often leads to duplicated data or multiple fragile follow-up queries.
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