Answer / anupam

No,writing no. of functions with the same name but
different argument is called as function overloading.
The arguments may be differ in nos,type etc.
The return type may or may not be same.

Answer / abhilash s thachil

There is a catch in the question. We can have function overloading with same number of arguments with different return types. One step ahead, we can have function overloading with same number of arguments provided the type and order of the arguments are not same irrespective of return type.

Answer / sandeep joshi

No its not possible.
Because in function overloading the return type is not play
any role.

Answer / vikram shinde

function signature (name mangling) is done based on function
name and no. of parameter.we can't diff. by return type
because when function call there will be ambiguty.

Answer / vivek

Generally no but.......... ADA(Language) supports it
..............Source Wikipedia search for polymorph ism

Answer / deepika galankar

no . we can have same function name with arguments differ
in number,type and different order of data types . but for
function overloading compiler ignore return type.
so we can have funfions with same no of arguments differ in
sequence of data type irrrespective of return type ..

Answer / ajay

Yes, it is possible here are the examples

create or replace function funbool(b varchar2)
return boolean
as
begin
If b is not null then
return true;
else
return false;
end if;
end;

create or replace function funbool(b varchar2)
return number
is
begin
if b is null then
Dbms_output.put_line( 'false');
else
Dbms_output.put_line( 'true');
end if;
Return b;
end;

Answer / ajay

Yes

First input columns brand, mt, re values are ov, 1,re vg, 2,re wu ,3,re. Second input columns are brand, mt, cx their records are ov,4,vg ,5,cx Wu, 6,cx and third input columns brand, mt, rt values are ov,7,rt vg, 8,rt wu, 9,rt but my output is brand, re, cx,rt values are ov, 1,4,7 vg, 2,5,8 wu, 3,6,9

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