CREATE OR REPLACE TRIGGER InsAllCountry
INSTEAD OF INSERT ON AllCountry
FOR EACH ROW
BEGIN
  INSERT INTO
    Country (Name,Code,Population,Area)
  VALUES (:NEW.Name, :NEW.Code,
          :NEW.Population, :NEW.Area);
  INSERT INTO Economy (Country,Inflation)
  VALUES (:NEW.Code, :NEW.Inflation);
  INSERT INTO Population
      (Country, Population_Growth,infant_mortality)
  VALUES (:NEW.Code, :NEW.Population_Growth,
          :NEW.infant_mortality);
END;
/
