SQL · interview question

Which explanation would sound strongest in an interview when discussing indexes and access patterns?

Multiple choiceHardchapter-11-curatedpremiumsqlindexes-and-access-patterns

Keep indexes and access patterns implicit so the script stays short and hope the next engineer infers the rule.Delay clarity until production traffic reveals the edge case and then patch it under pressure.Solve the symptom with comments only and avoid changing the code shape around indexes and access patterns.Create indexes to support the dominant filters and lookups instead of adding them blindly. Interviewers often use index questions to test whether you connect database design to real access patterns.

Answer and explanation

Correct answer

D. Create indexes to support the dominant filters and lookups instead of adding them blindly. Interviewers often use index questions to test whether you connect database design to real access patterns.

Why

Interviewers usually care less about keywords than about whether you can explain why the code is shaped the way it is.

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Which explanation would sound strongest in an interview when discussing indexes and access patterns?

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