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Write a query that identifies numbers appearing at least three times consecutively without interruption

SQLeasy0.3 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
JP Morgan
Expert AnswerPremium
59 wordsInterview-ready
WITH numbered AS (SELECT num, ROW_NUMBER() OVER (ORDER BY id) rn, num - ROW_NUMBER() OVER (ORDER BY id) AS grp FROM logs) SELECT num FROM numbered GROUP BY num, grp HAVING COUNT(*) >= 3 LIMIT 1. **Why**: Consecutive same numbers share (num - rn); groups with COUNT >= 3 are consecutive. Order by id for sequence....
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