From: Wei Weng <wweng@kencast.com>
To: Christoph Haller <ch@rodos.fzk.de>
To: pgsql-sql@postgresql.org
Subject: Re: iceberg queries
Date: Tue, 4 Feb 2003 09:08:56 -0500
Message-ID: <002101c2cc56$f5112330$2f437242@PASCAL> (raw)
References: <3E3F7C59.E6C5278C@rodos.fzk.de>
It is a query that looks like
SELECT target1, target2... targetn, SUN(t.qty)
FROM Table t
GROUP BY target1
HAVING SUM(t.qty)>=10
You can replace SUM(t.qty)>=10 with other aggregate constraints.
----- Original Message -----
From: Christoph Haller
To: pgsql-sql@postgresql.org
Cc: wweng@kencast.com
Sent: Tuesday, February 04, 2003 3:39 AM
Subject: Re: [SQL] iceberg queries
>
> Does PostgreSQL optimizer handle iceberg queries well?
>
What do you mean by "iceberg query" ?
I've never heard this term.
Regards, Christoph
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Subject: Re: iceberg queries
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