Failure Rate

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

Domain

SQL

Difficulty

medium

Problem

The DevOps lead is presenting build reliability at the all-hands and needs a failure percentage per repository. For each repo, what share of its CI builds ended in a 'failed' status?

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Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a live PostgreSQL database and grades it instantly.