Regional Sales Growth QoQ

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

Domain

SQL

Difficulty

hard

Seniority

L4

Problem

Compare total transaction amounts in Q4 vs Q3 to compute quarter-over-quarter revenue growth by region. Growth is ((Q4 total minus Q3 total) / Q3 total) * 100. Only include regions with sales in both quarters. Return the region and growth percentage.

Summary

Quarter-over-quarter growth. Region by region.

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