In this video, we solve a real SQL interview question: “Unique Users Per Client Per Month” from StrataScratch — a must-practice for aspiring data analysts and data scientists!
You’ll learn:
✅ How to group data by client and month
✅ How to count unique users using COUNT(DISTINCT ...)
✅ How to structure interview-ready SQL queries
✅ Bonus tips to crack SQL-based interviews with confidence
Whether you're preparing for interviews or improving your SQL logic, this video is packed with practical insights.
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