Inner Join Operations

How do we combine orders with customer records keeping only rows present in both datasets?

Intermediate⏱ 2 Minutes⭐ 410 XP

🤔 THE QUESTION

How do we combine orders with customer records keeping only rows present in both datasets?

💡 WHAT IS IT?

orders.join(customers, 'customer_id', 'inner') retains records matching on the shared customer_id key in both tables.

🎯 WHAT IS IT USED FOR?

Connecting transactional records with active entity profiles across relational data models.

💻 EXAMPLE

joined_df = orders.join(customers, "customer_id", "inner")

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