Average API Latency by Year
A medium SQL mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- L3
Interview Prompt
How has each endpoint's average latency in `api_calls` moved from one calendar year to the next? List the average for every endpoint in every year.
Summary
Latency year over year. Is it getting better?
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write and run your SQL against a real database
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision