Peak Concurrent Pods

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

Each pod occupies a node from its start time to its stop time. What is the maximum number of pods running simultaneously across the entire dataset? Return a single count.

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.