Is it possible to provide a default value when creating a type?

Create or replace type t_type_1 is object
(
n number,
v varchar2 (20)
);
/

I mean, that's

Create or replace type t_type_1 is object
(
n number default null,
v varchar2 (20)
);
/

How to provide a default value that we give to a table. Calibrated each time I have change a type there is no default value, I have to change the functions, procedures, and the dependent packages.

Any help?
create or replace type t_type_1 as object (
  n number,
  v varchar2(20),
  g varchar2(1),
  constructor function t_type_1 (p_n number, p_v varchar2) return self as result
)
/
create or replace type body t_type_1 as
  constructor function t_type_1 (p_n number, p_v varchar2) return self as result
  is
  begin
     if p_n is null then n := '1'; end if;
     if p_v is null then v := 'ABC'; end if;
     g := 'M';
     return;
  end;
end;
/

set serveroutput on
/
declare
  x t_type_1;
begin
  x := new t_type_1(null, null);
  dbms_output.put_line (x.n || ' ' || x.v || ' ' || x.g);
end;
/
1 ABC M

declare
  x t_type_1;
begin
  x := new t_type_1('2', 'XYZ', 'F');
  dbms_output.put_line (x.n || ' ' || x.v || ' ' || x.g);
end;
/
2 XYZ F

Concerning

Tags: Database

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