7/25/2019 hr anonimo5 16 11 2015

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--listar los nombres de paises por cada continenteset serveroutput ondeclare cursor region_cursor is select r.region_name, c.country_name from regions r join countries c on r.region_id = c.region_id order by region_name, country_name; v_region regions.region_name%type; v_country countries.country_name%type;begin for v_rec in region_cursor loop dbms_output.put_line('La region: ' || v_rec.region_name || ' el pa?s: ' || v_rec.country_name); end loop;end;/