declare
    column_exists exception;
    pragma exception_init (column_exists , -01430);
begin
    execute immediate 'ALTER TABLE EMPRESA ADD INDGENNUMFOLIOVTAINTIMPOST NUMBER(1,0) DEFAULT 0 NOT NULL';
    exception 
    when column_exists then null;
end;
/
declare
begin
  execute immediate 'INSERT INTO FUNCION_SISTEMA VALUES
  							(
    							FUNCION_SISTEMA_SEQ.NEXTVAL,
    							1,
    							''ADM > CATALOGOS >> EMPRESA >> GERA NUMERO BILHETE VENDA INTERNET E IMP. POSTERIOR'',
    							''COM.RJCONSULTORES.ADMINISTRACION.GUI.CATALOGO.MENU.EMPRESA.GENERAFOLIOSISTEMAVTAINTIMPPOSTERIOR'',
    							1 ,
    							sysdate,
    							1
  							)';

	exception when others  then null;
end;