Database: e_commerce
Question: What are the names of the products tht have been shipped, and on what days were they shipped?
SQL:
SELECT T1.product_name ,  T4.shipment_date FROM Products AS T1 JOIN Order_items AS T2 ON T1.product_id  =  T2.product_id JOIN Shipment_Items AS T3 ON T2.order_item_id  =  T3.order_item_id JOIN Shipments AS T4 ON T3.shipment_id  =  T4.shipment_id