Use a range-based self-join to find products priced at 30 or less paired with cheaper products from

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

Domain

SQL

Difficulty

medium

Problem

Use a range-based self-join to find products priced at 30 or less paired with cheaper products from a different category.

Practice This Problem

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