CREATE OR REPLACE VIEW SH.PROFITS AS SELECT s.channel_id, s.cust_id, s.prod_id, s.promo_id, s.time_id, c.unit_cost, c.unit_price, s.amount_sold, s.quantity_sold, c.unit_cost * s.quantity_sold TOTAL_COST FROM costs c, sales s WHERE c.prod_id = s.prod_id AND c.time_id = s.time_id AND c.channel_id = s.channel_id AND c.promo_id = s.promo_id