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Latest Migration Output per Author

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
L4

Interview Prompt

The release manager wants the latest migration each author shipped. For every author in the migrations table, find their most recent migration by applied date, and return the author, version, and applied timestamp.

Summary

Each author's most recent migration output.

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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