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SQL • LESSON 92

Multi-Table Business Query

How can we find customers, orders, and product information together?

Advanced3 Minutes1050 XP
🤔 THE QUESTION

How can we find customers, orders, and product information together?

💡 WHAT IS IT?

Connecting customers, orders, and products creates a complete end-to-end relational purchase audit query.

🎯 WHAT IS IT USED FOR?

E-commerce order fulfillment reporting, detailed invoice itemization, transaction tracing.

💻 EXAMPLE
SELECT
c.customer_name,
o.order_id,
p.product_name,
o.amount
FROM customers c
JOIN orders o
ON c.customer_id = o.customer_id
JOIN products p
ON o.product_id = p.product_id;

🎯 Mission Objectives

Practice typing production-grade SQL code for Multi-Table Business Query.

  • Multi-table business query
  • E-commerce audit
  • Relational data integration
  • Transaction itemization