Cost Density Extremes

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

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

Cost density is total cost divided by the number of services in that region, rounded to the nearest integer. Show region, provider, and density for only the minimum and maximum density regions.

Summary

Some regions pack more cost per node than others.

Practice This Problem

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