Session Count Distribution
A hard 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
- hard
- Seniority
- L4
Interview Prompt
Our product analytics team is profiling how engagement spreads across the users who joined in the couple of years before this one. Count each of those users' sessions during 2026, then show the distribution: for each session count, how many users had exactly that many.
Summary
How are sessions distributed among the newest users?
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