From: Murphy Pope <pope_murphy@hotmail.com>
To: pgsql-sql@postgresql.org
Subject: Re: ORDER BY and NULLs
Date: Sat, 30 Oct 2004 20:00:25 -0400
Message-ID: <AWVgd.1165$j15.1000@fe25.usenetserver.com> (raw)
References: <011d01c49e5b$c88fdb20$2766f30a@development.greatgulfhomes.com>
<414DB1AB.5080207@sympatico.ca>
<414DB594.5000300@numerixtechnology.de>
<19733.1095613137@sss.pgh.pa.us>
<414DBF6D.8040500@numerixtechnology.de>
<87zn3mjeaw.fsf@stark.xeocode.com>
> You should just cross out that whole section. It's just flatly wrong.
>
> I had always assumed it was just people bringing assumptions over from
> Oracle where it is true. Perhaps this book is to blame for some of the
> confusion. Which book is it?
>
> Postgres indexes NULLs. It can use them for ORDER BY clauses.
I know this is an old-ish topic, but the question keeps coming up and I see
different answers every time.
I think I found the definitive answer and it looks like everyone (Bruce,
Tom, the book) is half-right. Maybe this should go in a FAQ or something
since there seems to be so much confusion.
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To: pgsql-sql@postgresql.org
Cc: pope_murphy@hotmail.com
Subject: Re: ORDER BY and NULLs
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