Write dml code based on the instructions in th picture given below
 

Sales customers * customer_id first_name last_name phone email street city state zip_code orders * order_id customer_id order_status order_date required_date shipped_date store_id staff_id ++ ++ et staffs staff_id first_name last_name email phone active store_id manager_id phone email street stores * store_id store_name city state zip_code order_items * order_id *item_id product_id quantity list_price discount ++ Production categories * category_id category_name products ++ *product_id product_name brand_id category_id model year list_price stocks * store_id *product_id quantity brands * brand_id brand name ++