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Write a query to find the first number repeating consecutively three times in a sequence.

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
American Express
Expert AnswerPremium
51 wordsInterview-ready
WITH consec AS (SELECT num, id, num - ROW_NUMBER() OVER (ORDER BY id) AS grp FROM t) SELECT num FROM consec GROUP BY num, grp HAVING COUNT(*) >= 3 ORDER BY MIN(id) LIMIT 1. **Why**: Consecutive same nums share (num - rn); first group with 3+ = first occurrence....
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