First Among Equals

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

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

The merchandising team wants the catalog's bestseller. Find every product with the highest number of recorded transactions, and show the product name and that count.

Summary

When more than one product wears the crown, name every one of them.

Practice This Problem

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