Event Count on Key Days
A easy SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- L3
Interview Prompt
The infrastructure team is sizing weekend versus weekday capacity and wants to start with a simple comparison. Show the total number of events that occurred on Saturdays versus Mondays, with the day number and event count for each.
Summary
Key days. Key event volumes.
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