S.Isaac Dealey wrote:
>> 
>> That's a good idea, except that UUIDs take more
>> space and are slower to index when compared to
>> integers.  However, that's only a problem if you
>> are dealing with large amounts of data.
> 
> It only starts to become an issue with tens of millions of records, at
> which point you have bigger issues than indexing a 32 character string
> instead of an integer.

Offially a UUID is a 128-bit unsigned integer (RFC 4122). If your 
database is smart it will only take 16 bytes of storage.

Jochem

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