Deploy Velocity

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

Domain

SQL

Difficulty

hard

Seniority

L5

Problem

The release manager is benchmarking how often each service ships. For each service, look at the gaps in days between consecutive deploys and take the average. Show the service name and its average gap.

Summary

Days between deploys. Some services ship fast, others crawl.

Practice This Problem

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