SQL query to query nearby points of interest based on lat/long - SQLite

Question

Given a database that contains three fields:

Latitude Longitude Proximity

Where Lat and Long are GPS coordinates, and Proximity is (some unit - feet? Seconds? Mi

Answer 1

You also know that there is a plugin for SQLite called Spatialite which has all the same functions as PostGIS and SQLServer? I assume you are trying to use SQLLite on the iPhone or in the browser or something. If not they I HIGHLY reccomend spatialite.