Re: [SQL] How to split a table?

From: "Gregory S(dot) Williamson" <gsw(at)globexplorer(dot)com>
To: "Andreas Kretschmer" <akretschmer(at)spamfence(dot)net>, <pgsql-general(at)postgresql(dot)org>, <pgsql-sql(at)postgresql(dot)org>, <pgsql-novice(at)postgresql(dot)org>
Subject: Re: [SQL] How to split a table?
Date: 2006-10-17 08:53:35
Message-ID: 71E37EF6B7DCC1499CEA0316A256832802B3E735@loki.wc.globexplorer.net
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Perhaps something like:

CREATE TABLE foo2 AS SELECT * FROM foo WHERE (rand() <= 0.60);

?

HTH,

Greg Williamson
DBA
GlobeXplorer LLC

-----Original Message-----
From: pgsql-sql-owner(at)postgresql(dot)org on behalf of Andreas Kretschmer
Sent: Tue 10/17/2006 1:34 AM
To: pgsql-general(at)postgresql(dot)org; pgsql-sql(at)postgresql(dot)org; pgsql-novice(at)postgresql(dot)org
Cc:
Subject: Re: [SQL] [GENERAL] How to split a table?

Felix Zhang <felix(dot)zhang(dot)2005(at)gmail(dot)com> schrieb:

> Hi,
>
> I want to split a table to 2 small tables. The 1st one contains 60% records
> which are randomly selected from the source table.
> How to do it?

Why do you want to do this?

Andreas
--
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect. (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly." (unknow)
Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°

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