thanks.
Jie LIANG
St. Bernard Software
10350 Science Center Drive
Suite 100, San Diego, CA 92121
Office:(858)320-4873
jliang@ipinc.com
www.stbernard.com
www.ipinc.com
On Thu, 26 Apr 2001, Ing. Roberto Andrade Fonseca wrote:
> On Thu, 26 Apr 2001, Jie Liang wrote:
>
> >
> > How I can return random N rows from my select stmt?
> > like:
> > e.g. what my selectee is a set of 1000 rows, I want randomly
> > pickup 100 of 1000.
>
>
> I've donne something like:
>
> prereg_iw=# select random(), nombre from asistente order by 1 limit 10;
> random | nombre
> ----------------------+---------------
> 0.000214523170243261 | ALFONSO
> 0.000478655100091666 | OSCAR
> 0.000892118085591177 | JOSE LUIS
> 0.000972398091560415 | IGNACIO
> 0.00109919300354048 | NORBERTO
> 0.00180558208460248 | SALVADOR
> 0.00196880800741204 | ANDRES NOE
> 0.00197171233686233 | SARA MICHELLE
> 0.00226354412839913 | DAVID
> 0.00233715307076329 | RODOLFO
> (10 rows)
>
> and it works!
>
> Saludos,
>
> Roberto Andrade Fonseca
> randrade@abl.com.mx
>