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Feature Flag Engagement Impact

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
L5

Interview Prompt

The growth team wants to understand session activity around feature flag launches. For each feature flag, return its name, a display-friendly version of that name, whether the flag is currently enabled, and how many user sessions started in the 30 days after the flag was created.

Summary

Flags on versus flags off. The engagement gap.

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

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