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Design a distributed users table that uses UUID for the primary key instead of auto-incrementing int

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

Domain
Data Modeling
Difficulty
medium

Interview Prompt

Design a distributed users table that uses UUID for the primary key instead of auto-incrementing integers. UUIDs allow multiple servers to generate unique IDs without coordination.

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 data modeling solution with real code execution
  4. Get instant feedback and a hire/no-hire decision

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