Re: 1 NF

From: Sampo Syreeni <decoy_at_iki.fi>
Date: Wed, 28 Feb 2007 23:12:51 +0200
Message-ID: <Pine.SOL.4.62.0702282306070.15178_at_kruuna.helsinki.fi>


On 2007-02-28, Cimode wrote:

> The answer is NOT A CHANCE as BLOBS break the primary requirement of
> independence between logical and physical layer and the fact that a
> BLOB attribute included in any proposition can not make a relation out
> of it (1NF dictates that all information MUST be stored as relations)

...and it is. A blob is simply a member of the set of strings of integers in the range [0,255]. If you can have attribute values drawn from strings over a finite (enumerated) set of characters, surely you can have attribute values drawn from strings over a finite set of plain integers.

So, please elaborate.

-- 
Sampo Syreeni, aka decoy - mailto:decoy_at_iki.fi, tel:+358-50-5756111
student/math+cs/helsinki university, http://www.iki.fi/~decoy/front
openpgp: 050985C2/025E D175 ABE5 027C 9494 EEB0 E090 8BA9 0509 85C2
Received on Wed Feb 28 2007 - 22:12:51 CET

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