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

Domain

SQL

Difficulty

medium

Seniority

L3

Problem

During an incident, the on-call SRE needs to find the single server with the most logged errors. Show the server name and its error count.

Summary

One server stands out. Not in a good way.

Practice This Problem

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