column|order_id|not_nullable|number(12) column|line_item_id|not_nullable|number(3) column|product_id|not_nullable|number(6) column|unit_price|nullable|number(8,2) column|quantity|nullable|number(8) pkey|order_id, line_item_id fkey|order_id|oe.orders.order_id fkey|product_id|oe.product_information.product_id