From server_logs, build a log identifier that zero-pads log_id to 6 digits with the prefix 'LOG-' (e

A medium SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.

Domain

SQL

Difficulty

medium

Interview Prompt

From server_logs, build a log identifier that zero-pads log_id to 6 digits with the prefix 'LOG-' (e.g., 'LOG-000001'). Show log_id, server_name, and the result. Order by log_id, limit 5.

How This Interview Works

1. Read the vague prompt (just like a real interview)
2. Ask clarifying questions to the AI interviewer
3. Write your sql solution with real code execution
4. Get instant feedback and a hire/no-hire decision