Ok I have a database with about 1800 rows, each has a column lat and long, what I am trying to do, it query against Google Maps V3 .getBounds
I now it's to late for the comment, but maybe it will be usefull for someone. sergio unswer is not quite correct the query for whole world has to look a little bit different, if I'm not mistaken something like this one:
SELECT * FROM tilistings WHERE
(sw_lat < ne_lat AND lat BETWEEN sw_lat AND ne_lat) OR (sw_lat > ne_lat AND (lat BETWEEN sw_lat AND 180 OR lat BETWEEN -180 AND ne_lat))
(sw_lon < ne_lon AND lon BETWEEN sw_lon AND ne_lon) OR (sw_lon > ne_lon AND (lon BETWEEN sw_lon AND 180 OR lon BETWEEN -180 AND ne_lon))