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Node Summary Per Region
A easy SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- junior
Problem
The capacity planning team needs a region-level infrastructure summary. Show the total number of nodes and the number of unique node types per region, ranked by total nodes from highest to lowest.
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.