Loading interview...

Department Quarterly Pivot

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
mid

Interview Prompt

Show employee count broken down by department and fiscal quarter. For each department, create columns Q1 through Q4 showing how many metric entries exist per quarter. If a quarter has no entries, show 0.

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