Re: Random numbers

From: bricklen <bricklen(at)gmail(dot)com>
To: Karel Riveron Escobar <kescobar(at)estudiantes(dot)uci(dot)cu>
Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Random numbers
Date: 2013-05-25 15:50:03
Message-ID: CAGrpgQ8nrrYuZxXn2FpqYdBiq0S3HjhhgCFAYx-p92Wed537pA@mail.gmail.com
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On Sat, May 25, 2013 at 8:45 AM, Karel Riveron Escobar <
kescobar(at)estudiantes(dot)uci(dot)cu> wrote:

> I want to generate random numbers in Pl/pgSQL. How can I do this?
> To be more specific, I have to generate random numbers among 0 and 5.
>

One way:
select n from unnest(ARRAY[0,1,2,3,4,5]) n order by random() limit 1;

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