Market Share

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

Domain

SQL

Difficulty

hard

Seniority

L5

Problem

Strategy is assembling the investor deck and wants to show how total revenue splits across product categories. For each category, return its percentage of platform-wide transaction revenue, biggest slice first.

Summary

Every category wants a bigger slice.

Practice This Problem

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