months_between function

Does anybody knows where that query does not work :

select months_between('1996-02-01','1996-11-15') from dual;

This Query return NULL. Is there a problem with the months_between function ?

Thanks.

--
Eric St-Pierre
CPD5 Associate
ericst_at_mediom.qc.ca Received on Thu Nov 12 1998 - 12:51:20 CST