Extreme Category Totals

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

Domain

SQL

Difficulty

medium

Seniority

L5

Problem

From this calendar year's transactions, find the product categories with the highest total sales and the lowest total sales. Combine transactions with products to get the category. Return both category names and their totals.

Summary

The highest and the lowest. Both are interesting.

Practice This Problem

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