From: Andrew Sullivan <ajs@crankycanuck.ca>
To: pgsql-sql@postgresql.org
Subject: Re: Random()
Date: Thu, 16 Nov 2006 16:20:38 -0500
Message-ID: <20061116212038.GB16916@phlogiston.dyndns.org> (raw)
In-Reply-To: <55c095e90611161254w271e6781h6ee0d09a5be60db1@mail.gmail.com>
References: <55c095e90611161031h7a1ce42chd9a59a53ba7e7028@mail.gmail.com>
<20061116191632.GA21285@a-kretschmer.de>
<55c095e90611161254w271e6781h6ee0d09a5be60db1@mail.gmail.com>
On Thu, Nov 16, 2006 at 06:54:42PM -0200, Ezequias Rodrigues da Rocha wrote:
> My bigint field has 20,000 numbers and I'd like to make real random (used
> like lottery).
If you want _real_ random, you have to use a non-computer source for
your randomness. The best you get on a computer is pseudo-random.
Often it's very good pseudo-random -- most of the time, good enough
for most purposes -- but it isn't true randomness of the sort that is
delivered by (for example) particle decay.
A
--
Andrew Sullivan | ajs@crankycanuck.ca
The plural of anecdote is not data.
--Roger Brinner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-sql@postgresql.org
Cc: ajs@crankycanuck.ca
Subject: Re: Random()
In-Reply-To: <20061116212038.GB16916@phlogiston.dyndns.org>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox