Second Highest Salary
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
HR is setting the salary band for a new role and needs the second-highest unique salary on record as a benchmark. If all employees share the same salary, return NULL.
Summary
Silver medal. Almost the top, but not quite.
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