Top Category by User Segment

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

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

For every account status, find the product category with the highest number of purchases. If multiple categories are tied within a segment, include all of them. Show the account status, category, and purchase count, sequenced by account status and category.

Summary

Each segment has a favorite category.

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