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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
- mid
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.
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.