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.
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