Deploy Count by Service

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

Domain

SQL

Difficulty

easy

Seniority

junior

Problem

The team is scoping a deployment automation project and wants to target the services that deploy most often first. Show each service's total deployment count, from the most frequently deployed down.

Practice This Problem

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