Blast Radius

A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant feedback.

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

After a string of rollbacks, leadership asked how much deployment capacity each service is losing to failures. For every service, show the share of its deployments that failed and the share of its total deployment time those failures consumed.

Summary

When deploys fail, how bad is the blast radius?

Practice This Problem

Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a real database and checks it automatically.