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Longest Visit Streaks

A hard SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.

Domain
SQL
Difficulty
hard
Seniority
senior, staff

Interview Prompt

Find the top 3 users with the longest continuous daily visit streaks up to 2026-08-10. A streak means consecutive calendar days with at least one session. If users are tied at the cutoff, include all of them.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your sql solution with real code execution
  4. Get instant feedback and a hire/no-hire decision