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@xxxxxxxxxxxxxx on behalf of Andreas Kretschmer
Sent: Tue 10/17/2006 1:34 AM
To: pgsql-general@xxxxxxxxxxxxxx; pgsql-sql@xxxxxxxxxxxxxx; pgsql-novice@xxxxxxxxxxxxxx
Cc:
Subject: Re: [SQL] [GENERAL] How to split a table?
Felix Zhang <felix.zhang.2005@xxxxxxxxx> 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°
---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
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