Actually, Firebird 2.1 has a built-in gen_uuid() function which
generates CHAR(16) octets, see
http://www.firebirdsql.org/rlsnotesh/rlsnotes210.html#rnfb210-appx-A

And Firebird 2.5 will introduce additional UUID related functions
(conversion to and from CHAR(32) RFC4122-compliant UUID)

Milan Babuskov wrote:

> dr_bentonquest wrote:
>> to generate a GUID value
>
> Maybe this can help:
>
> http://www.firebirdfaq.org/faq98
>
> HTH
>

--
Mark Rotteveel