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Top Product Category by Transactions
A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- mid
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.
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.