All Infra Regions

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

Domain

SQL

Difficulty

easy

Seniority

junior

Problem

Before provisioning a new availability zone, the infrastructure team needs to know which regions already have node presence. Pull a deduplicated list of every region currently represented in the node inventory.

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.