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WAQ for Desired Output (Age Group Count)

General/Othereasy0.3 min readPremium
Frequency
Low
Asked at 1 company
Category
243
questions in General/Other
Difficulty Split
151E|43M|49H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
TCS
Expert AnswerPremium
57 wordsInterview-ready
SELECT CASE WHEN age BETWEEN 0 AND 18 THEN '0-18' WHEN age BETWEEN 19 AND 35 THEN '19-35' WHEN age BETWEEN 36 AND 50 THEN '36-50' ELSE '51+' END AS age_group, COUNT(*) FROM people GROUP BY 1 ORDER BY 1. FLOOR(age/10)*10 for decades. Handle NULL; mutually exclusive buckets....
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