Hi List I have maybe an easy question but i do not find an answer, i have this SQL query: SELECT geom,group,production_facs FROM south_america WHERE municipio = '' OR municipio = 'ACRE' OR municipio = 'ADJUNTAS' OR municipio = 'AGUADA' The performance of this query is quite worse as longer it gets, its possible that this query gets over 20 to 30 OR comparisons, but then the performance is really worse, is it possible to speed it up? Thanks Clemens