Re: Does Oracle store values in indices?

From: Denis Perchine <dyp(at)perchine(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Does Oracle store values in indices?
Date: 2001-01-23 17:56:25
Message-ID: 01012323562500.00614@dyp.perchine.com
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> Denis Perchine <dyp(at)perchine(dot)com> writes:
> > I think this question already was raised here, but... Why PostgreSQL
> > does not do this? What are the pros, and contros?
>
> The reason you have to visit the main table is that tuple validity
> status is only stored in the main table, not in each index. See prior
> discussions in the archives.

But how Oracle handles this?

--
Sincerely Yours,
Denis Perchine

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