Now, let's move to the next topic in the SQL Learning Series: 🧠 *Using SQL to Solve Real Business Problems* 📊 *Real-World Use Case:* "Find the total revenue generated by each product in the last 30 days." 🧾 Table: sales - order_id - product_name - quantity - price - order_date 🧪 *Query Example* : SELECT product_name, SUM(quantity * price) AS total_revenue FROM sales WHERE order_date >= CURRENT_DATE - INTERVAL 30 DAY GROUP BY product_name; 📝 *Explanation:* - We're multiplying quantity * price to calculate revenue. - Filtering only the last 30 days using order_date. - Grouping by product_name to get per-product revenue. *React with ❤️ if you're ready for the next quiz.* SQL Learning Series: https://whatsapp.com/channel/0029VanC5rODzgT6TiTGoa1v/1075 Python Coding Challenge: https://whatsapp.com/channel/0029VaiM08SDuMRaGKd9Wv0L/1661