declare
  object_exists exception;
  except_01451  exception;
  except_01442  exception;
  except_01440  exception;

  pragma exception_init (object_exists , -01430);
  pragma exception_init (except_01451  , -01451);
  pragma exception_init (except_01442  , -01442);
  pragma exception_init (except_01440  , -01440);
begin
	execute immediate 'ALTER TABLE BPE MODIFY BPE_ID NUMBER(22,0)';
	
	exception
	    when object_exists  then null;
	    when except_01451  then null;
	    when except_01442  then null;
	    when except_01440  then null;
end;
/
declare
  object_exists exception;
  except_01451  exception;
  except_01442  exception;
  except_01440  exception;

  pragma exception_init (object_exists , -01430);
  pragma exception_init (except_01451  , -01451);
  pragma exception_init (except_01442  , -01442);
  pragma exception_init (except_01440  , -01440);
begin
	execute immediate 'ALTER TABLE BPE MODIFY BPEEVENTO_ID NUMBER(22,0)';
	
	exception
	    when object_exists  then null;
	    when except_01451  then null;
	    when except_01442  then null;
	    when except_01440  then null;
end;
/
declare
  object_exists exception;
  except_01451  exception;
  except_01442  exception;
  except_01440  exception;

  pragma exception_init (object_exists , -01430);
  pragma exception_init (except_01451  , -01451);
  pragma exception_init (except_01442  , -01442);
  pragma exception_init (except_01440  , -01440);
begin
	execute immediate 'ALTER TABLE BPE MODIFY BPESUBSTITUICAO_ID NUMBER(22,0)';
	
	exception
	    when object_exists  then null;
	    when except_01451  then null;
	    when except_01442  then null;
	    when except_01440  then null;
end;