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Re: Using CoCreateGuid (Unique ID gen) in ORACLE - How can it be?

From: Martin Haltmayer <Martin.Haltmayer_at_0800-einwahl.de>
Date: Tue, 18 Jan 2000 22:10:38 +0200
Message-ID: <3884C8BE.D354B79E@0800-einwahl.de>


One bit may be the sign?

Martin

Alan Hopkins wrote:
>
> Using the Microsoft API to generate 128 bit unique ids (positive integer)
> yields a number that has from 1 to 39 significant digits to the left of
> decimal.
>
> A NUMBER datatype in ORACLE can only be 38.... What am I missing?
>
> I could use a VARCHAR(16), but the front-end application would incur some
> additional overhead (hashing the string) and plus, it's going to take up
> more memory.
>
> Again, what am I missing in this picture?
Received on Tue Jan 18 2000 - 14:10:38 CST

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