Still Running on Fumes

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

Domain

SQL

Difficulty

easy

Seniority

L3

Problem

The ML platform team is deprecating old models to free up serving capacity. Before they archive anything, they need a count of how many unique models currently carry a deprecated status.

Summary

Production never forgets the models you forgot to retire.

Practice This Problem

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