On 11/17/06, A. Kretschmer <andreas.kretschmer@schollglas.com> wrote:
> am Thu, dem 16.11.2006, um 16:31:14 -0200 mailte Ezequias Rodrigues da
> Rocha folgendes:
> > Hi list,
> >
> > I have a bigint collumn and I would like to generate a random number
> within the
> > numbers of my column.
>
> select <bigint_column> from <your_table> order by random() limit 1;
This query will tend to get slower as the table grows because of the sorting.
it possible to get a row from a random offset
how about
select <bigint_column> from <your_table> limit 1 offset 20000*random() ;
?
regds
mallah.
>
>
> Andreas
> --
> Andreas Kretschmer
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