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IBM Backend Engineer Interview Questions

Review this list of IBM backend engineer interview questions and answers verified by hiring managers and candidates.
  • IBM logoAsked at IBM 

    Remove Duplicate Emails

    IDE
    Medium
    52 answers
    +48

    "SELECT MIN(id) AS id, TRIM(LOWER(email)) AS cleaned_email FROM users GROUP BY cleaned_email ORDER BY id `"

    Salome L. - "SELECT MIN(id) AS id, TRIM(LOWER(email)) AS cleaned_email FROM users GROUP BY cleaned_email ORDER BY id `"See full answer

    Backend Engineer
    Coding
    +1 more

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