Function extract (date) in oracle 8.1.7 version

Question

this syntax:
select extract(MONTH FROM to_date('01/01/2006','dd/mm/yyyy')) from tab;
is it supported in Oracle 8.1.7 version?
the same question for this syntax:
create or replace function test_extract(mydate date) return number is
toto VARCHAR2(100):='';
begin
select extract(MONTH FROM mydate) into toto from tab;
return 1;
end test_extract;
?

Answer 1

Self help (the docco) for 81.7 at http://download.oracle.com/docs/cd/A87860_01/doc/index.htm
Specific question is related to SQL syntax and functions, there quickly found in the SQL Language Reference (aka SQL Reference)
Specific answer is from the SQL Reference version 9iR2 section entitled 'What's new in SQL Reference" where we read:
The following built-in functions were new to this release:
* EXISTSNODE
* EXTRACT (datetime)
* EXTRACT (XML)
"