DataDriven
LearnPracticeInterviewDiscussDaily

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

Domain
SQL
Difficulty
medium
Seniority
L4

Problem

Which product category had the highest transaction volume in 2026? Return the category name and transaction count. If there's a tie, include all tied categories.

Summary

Organic purchases, no marketing nudge. Which category wins?

Practice This Problem

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

Related

  • All Practice Problems
  • Mock Interview Mode
  • SQL Interview Questions
  • Data Engineering Interview Prep Guide
  • Daily Challenge
  • Data Engineering Lessons