Most-Allocated Service

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

Domain

SQL

Difficulty

hard

Seniority

L4

Problem

Among large teams (those using more than 4 distinct services), find the single most frequently allocated service. Show the service name and how many allocations it has.

Summary

The service every big team keeps paying for.

Practice This Problem

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