The Ones Who Clicked
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
- L4
Interview Prompt
We're comparing search quality across signup cohorts for a shopping marketplace, grouping users by the year they joined. For each cohort, return how many searches its users ran, how many of those ended in a clicked result, and the resulting success rate.
Summary
Every signup cohort runs its searches. Find the years that turned queries into clicks.
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