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Write an SQL query to find the top 3 performing products in each category

SQLmedium0.3 min readPremium

Frequency

Low

Asked at 1 company

Category

487

questions in SQL

Difficulty Split

130E|271M|86H

in this category

Total Bank

1,863

across 7 categories

Asked at these companies

Key Concepts Tested

partition sql window

Expert AnswerPremium

52 wordsInterview-ready

SELECT category, product_id, product_name, sales FROM (SELECT category, product_id, product_name, sales, ROW_NUMBER() OVER (PARTITION BY category ORDER BY sales DESC) AS rn FROM products) ranked WHERE rn <= 3. **Why**: Define 'performing' (revenue, units, margin). Consider time window (e.g., last 90 days). **Scalability**: Pre-aggregate in mart for dashboards....

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