Database: e_commerce
Question: What are the first names of all buyers and what products did they buy? List them in pairs.
SQL:
SELECT T1.customer_first_name ,  T4.product_name FROM Customers AS T1 JOIN Orders AS T2 ON T1.customer_id  =  T2.customer_id JOIN Order_items AS T3 ON T2.order_id  =  T3.order_id JOIN Products AS T4 ON T3.product_id  =  T4.product_id