SELECT DISTINCT T1.customer_name FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id  =  T2.customer_id JOIN order_items AS T3 ON T2.order_id  =  T3.order_id GROUP BY T1.customer_id HAVING COUNT (DISTINCT T3.product_id)  >=  3
What are the distinct names of customers who have purchased at least three different products?
SELECT DISTINCT T1.customer_name FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id = T2.customer_id JOIN order_items AS T3 ON T2.order_id = T3.order_id GROUP BY T1.customer_id HAVING COUNT ( DISTINCT T3.product_id ) > = 3
select distinct t1 . customer_name from customers as t1 join customer_orders as t2 on t1 . customer_id = t2 . customer_id join order_items as t3 on t2 . order_id = t3 . order_id group by t1 . customer_id having count ( distinct t3 . product_id ) > = value
What are the distinct names of customers who have purchased at least three different products ?