After the Handshake
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
- L3
Interview Prompt
An API endpoint can look fast on a user's very first call and slower on everything after. Excluding each user's earliest call, find the average latency of the remaining calls for each endpoint, slowest first.
Summary
The first call is a promise. Judge the ones that follow.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your sql solution with real code execution
- Get instant feedback and a hire/no-hire decision