From: A. Kretschmer <andreas.kretschmer@schollglas.com>
To: pgsql-sql@postgresql.org
To: pgsql-novice@postgresql.org
Subject: Re: [SQL] [GENERAL] How to split a table?
Date: Tue, 17 Oct 2006 11:12:38 +0200
Message-ID: <20061017091237.GA19268@a-kretschmer.de> (raw)
In-Reply-To: <71E37EF6B7DCC1499CEA0316A256832802B3E735@loki.wc.globexplorer.net>
References: <c44bd2680610170039j3342e874ue78bc71a701f76e0@mail.gmail.com>
<20061017083418.GA3917@KanotixBox>
<71E37EF6B7DCC1499CEA0316A256832802B3E735@loki.wc.globexplorer.net>
am Tue, dem 17.10.2006, um 1:53:35 -0700 mailte Gregory S. Williamson folgendes:
> Perhaps something like:
>
> CREATE TABLE foo2 AS SELECT * FROM foo WHERE (rand() <= 0.60);
Then we have 2 tables: one with 100% data and one with around 60% ;-)
If the table contains a primary key you can delete simple the copied
records from the origin table.
(delete from origin where pk in (select pk from copy);
>
> -----Original Message-----
Please, no top-posting with fullquote below.
Andreas
--
Andreas Kretschmer
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To: pgsql-sql@postgresql.org
Cc: andreas.kretschmer@schollglas.com, pgsql-novice@postgresql.org
Subject: Re: [SQL] [GENERAL] How to split a table?
In-Reply-To: <20061017091237.GA19268@a-kretschmer.de>
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