Returning a number with precsion in pl/sql function

Question

How can I return a number with desired precision in oracle function
e.g
Function return_number ( --- )
return number
is
v_number number(10,2)
begin
select no into v_number from table;
return v_number;
end;
will this work

Answer 1

How can I return a number with desired precision in oracle functionCreate a subtype as e.g. in
SQL> create or replace package pkg
as
subtype n10_2 is number(10,2);
end pkg;
Package created.
SQL> create or replace function return_number
   return pkg.n10_2
is
   v_number       pkg.n10_2;
begin
   return v_number;
end return_number;
Function created.
SQL> select object_name ,data_type, data_precision, data_scale from user_arguments where object_name = 'RETURN_NUMBER'
OBJECT_NAME                    DATA_TYPE                      DATA_PRECISION DATA_SCALE
RETURN_NUMBER                  NUMBER                                     10          2
1 row selected.also possible:
... return tab.col%type;where col is a column of tab with data type number(10,2).