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From: Guillaume Lelarge <guillaume@lelarge.info>
To: James Shaw <js102@zepler.net>
Cc: pgsql-docs@postgresql.org
Subject: Re: Possible mistake in 'Using EXPLAIN' section
Date: Wed, 10 Oct 2007 14:13:27 +0200
Message-ID: <470CC1E7.1070202@lelarge.info> (raw)
In-Reply-To: <c4a5ac250710100406j51c34512k47ef125c32c6f910@mail.gmail.com>
References: <c4a5ac250710100406j51c34512k47ef125c32c6f910@mail.gmail.com>

James Shaw a écrit :
> The example given has "Seq Scan on tenk1 (cost=0.00..458.00" in the
> example, but then says, "you will find out that |tenk1| has 358 disk
> pages" and "the cost is estimated at 358 page reads".  Shouldn't this be
> 458 disk page reads?
> 
> I couldn't see this already discussed on this list.  Is there a URL that
> has the latest docs compiled from CVS?
> 

http://momjian.us/main/writings/pgsql/sgml/

(built every five minutes)

Regards.


-- 
Guillaume.
 http://www.postgresqlfr.org
 http://dalibo.com



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