SELECT DISTINCT promo_category || ‘ has ’ || promo_cost AS COSTS FROM promotions ORDER BY 1;
SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;
SELECT promo_category, DISTINCT promo_cost FROM promotions ORDER BY 2;
SELECT DISTINCT promo_cost || ‘ in ’|| DISTINCT promo_category FROM promotions ORDER BY 1;
SELECT promo_cost, promo_category FROM promotions ORDER BY 1;
