Department Snapshot

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

Build a department snapshot from `employee_metrics` showing how many readings are on file, alongside the lowest, highest and average value and the gap between the lowest and highest.

Summary

Who is underperforming and who is excelling?

How This Interview Works

1. Read the vague prompt (just like a real interview)
2. Ask clarifying questions to the AI interviewer
3. Write and run your SQL against a real database
4. Answer the interviewer's follow-up questions, then get a hire or no-hire decision