Top 3 Customers by Total Spending | SQL Interview Question

Learn how to solve one of the most common SQL interview questions — finding the Top 3 Customers by Total Spending using GROUP BY, SUM(), ORDER BY, and LIMIT.

In this example:

We calculate each customer's total spending
Sort customers by highest spending
Return only the top 3 customers

Perfect for:

SQL beginners
Interview preparation
Data Analyst practice
Database learning
✅ SQL Query
SELECT customer_id,
SUM(amount) AS total_spending
FROM orders
GROUP BY customer_id
ORDER BY total_spending DESC
LIMIT 3;

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Видео Top 3 Customers by Total Spending | SQL Interview Question канала LearnPy