Re: What´s the algorithm that compresses a 20 digit big int, into 8 bytes ?

From: Cimode <cimode_at_hotmail.com>
Date: Wed, 24 Mar 2010 16:12:30 -0700 (PDT)
Message-ID: <3fde5ccc-ae1d-4f53-ba7e-b6d995bb335c_at_e7g2000yqf.googlegroups.com>


On 24 mar, 17:58, Rafael Anschau <rafael.ansc..._at_gmail.com> wrote:
> On Mar 24, 1:02 pm, Bob Badour <bbad..._at_pei.sympatico.ca> wrote:
>
>
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> > Rafael Anschau wrote:
> > > On Mar 24, 11:38 am, Bob Badour <bbad..._at_pei.sympatico.ca> wrote:
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> > >>Rafael Anschau wrote:
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> > >>>Does anybody knows ?
>
> > >>>Thanks
>
> > >>Multiply by 10 and add digit; repeat
>
> > >>That's neither a database nor a theory question, though.
>
> > > Asking what algorithm a database uses internally is a database
> > > question.
>
> > The database implementation is likely to just call a procedure or
> > function akin to atoi.
>
> It actually converts to binary. Just found out somewhere else, in case
> someone is interested in how databases implements this particular
> feature.
Encoding and algorhithmics are not synonyms. Received on Thu Mar 25 2010 - 00:12:30 CET

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