Oracle 存储过程调用存储过程

create or replace procedure A1(con_user varchar2:='default')
   is
   begin
    dbms_output.put_line('con_user is:' || con_user);
   end;
   
   
   
   create or replace procedure A2(con_user varchar2:='default')
   is
   begin
    A1;
   end;