Monthly Deploy Counts Pivoted

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

Domain

SQL

Difficulty

hard

Seniority

mid, senior

Problem

Show monthly deployment counts for the 'production' environment, pivoted into separate columns for January, May, and November. Results should be broken down by year.

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.