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CDN-Related DNS Lookups

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

Domain
SQL
Difficulty
easy
Seniority
L3

Interview Prompt

The network team is tracking down CDN-related DNS resolution issues. Pull all lookup records where the domain contains 'cdn' regardless of casing, ordered by domain.

Summary

DNS lookups tied to the CDN.

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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