Query

SELECT p.product_id, p.product_name, p.product_description, p.category_id,
           p.weight_class, p.warranty_period, p.supplier_id, p.product_status,
           p.list_price, p.min_price, p.catalog_url,
           CAST(MULTISET(SELECT i.product_id,i.warehouse,i.quantity_on_hand
                         FROM oc_inventories i
                         WHERE p.product_id=i.product_id)
                AS inventory_list_typ)
    FROM product_information p