Re: Efficient use of space in large table?

From: Curt Sampson <cjs(at)cynic(dot)net>
To: Manfred Koizar <mkoi-pg(at)aon(dot)at>
Cc: Josh Jore <josh(at)greentechnologist(dot)org>, <pgsql-general(at)postgresql(dot)org>
Subject: Re: Efficient use of space in large table?
Date: 2002-07-08 03:54:57
Message-ID: Pine.NEB.4.44.0207081254150.476-100000@angelic.cynic.net
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On Fri, 5 Jul 2002, Manfred Koizar wrote:

> first of all, text is ok. You might want to store NULL instead of ''
> to squeeze out a few bytes here and there.

Correct me if I'm wrong, but doesn't NULL take up *more* room than ''?
After all, as soon as you have a NULL, you have to have a null bit array
in the tuple.

cjs
--
Curt Sampson <cjs(at)cynic(dot)net> +81 90 7737 2974 http://www.netbsd.org
Don't you know, in this new Dark Age, we're all light. --XTC

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