A UUID and GUID should both be 128bits. Even the RFC explicitly states "This specification defines the format of UUIDs
(Universally Unique IDentifier), also known as GUIDs (Globally Unique IDentifier)".

Jason

Lester Caine wrote:

> Ian A. Newby wrote:
>
>> Hi Lester,
>> Just to be picky :), (I had the uuidlib library written by an
>> associate some years ago), the library produces internally a GUID in
>> its native format. This can be returned in two forms...
>>
>> GUID is the common windows GUID, consisting of hex characters.
>>
>> UUID is a 22 character string, containing only characters which are
>> usable in URLs, organized so that Firebirds indexing compression is
>> effective.
>>
>> There are routines in the library to convert back and forth between
>> them. So a UUID is as good as a GUID, just shorter.
>>
>> So the names might be wrong, but they do work.

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