Sirens and Smoke

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

Domain

SQL

Difficulty

easy

Seniority

junior

Problem

Pull all alert event details (alert ID, service name, severity, status, fired-at time, acknowledged-by, and resolved status) from 2026 where the severity is either 'high' or 'critical' (case-insensitive).

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.