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Re: artificial values vs null

From: Nuno Souto <nsouto_at_bizmail.com.au>
Date: Fri, 24 Sep 2004 21:55:13 +1000
Message-ID: <002a01c4a22d$68b75590$3dfaf63c@DCS005>


That's funny. I've seen exactly the opposite when using NULL to mean current of anything.

Cheers
Nuno Souto
nsouto_at_bizmail.com.au
----- Original Message -----
From: "Richard Foote" <richard.foote_at_bigpond.com>

> I've seen on quite a number of occasions the damage that "artificial"
> values
> can do in stuffing up Oracle's assumption of range value distributions and
> hence Oracle's ability to select an appropriate execution plan.
>
> Setting end dates to some distant future is full of dangers and is a
> classic
> example.
>
> Beware indeed !!
>

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Received on Fri Sep 24 2004 - 06:51:15 CDT

Original text of this message

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