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7-Check Rolling Average

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

Domain
SQL
Difficulty
medium
Seniority
senior

Interview Prompt

Given a table of daily metric readings with entity, date, and value, write a query that computes a 7-row rolling average (current row plus 6 preceding) partitioned by entity. Return entity, date, value, and the rolling average.

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