Hi,
> mysql> SELECT criterio, idSite > -> FROM dominios_propios_completos > -> WHERE criterio NOT IN ( > -> SELECT criterio_pub > -> FROM sites_criterios > -> ); > Empty set (0.05 sec) > Do you have NULL values in sites_criterios.criterio_pub ? -- Pooly Webzine Rock : http://www.w-fenec.org/ -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]