🛍️ Customers Who Bought All Products | SQL Query Using GROUP BY & HAVING | LeetCode SQL #29

🚀 In this video, we solve "Customers Who Bought All Products" from LeetCode, a key SQL challenge that strengthens your understanding of grouping, filtering, and subqueries.

📌 What You’ll Learn:
✅ How to use GROUP BY & HAVING for counting unique purchases
✅ Implementing COUNT(DISTINCT) to compare against total values
✅ Using CTEs (Common Table Expressions) for efficient query design

📌 Problem Link: https://leetcode.com/problems/customers-who-bought-all-products

💡 Found this helpful?
👍 Hit LIKE to support the channel!
📩 Drop a COMMENT with your approach or questions!

🔔 SUBSCRIBE NOW for more SQL tutorials, coding interview solutions, and database tips!

#SQL #LeetCode #SQLInterview #DataScience #Database #MySQL #LearnSQL #Tech #Coding #SoftwareEngineering