For each deploy log, show svc_name, deploy_at, dur_secs, a running total of dur_secs within each ser

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

For each deploy log, show svc_name, deploy_at, dur_secs, a running total of dur_secs within each service by deploy_at, and an overall duration tier (3 buckets) across all deploys by dur_secs descending.

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