Monthly Revenue Comparison

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

Domain

SQL

Difficulty

medium

Seniority

junior

Problem

Compare revenue between April and May 2026. For each month, show the total revenue, number of transactions, and average transaction value, chronologically.

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