storing latitude and longitude

From: mark <markkicks(at)gmail(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: storing latitude and longitude
Date: 2008-07-10 17:25:19
Message-ID: 82fa9e310807101025j5157281et94c85b215b920fcf@mail.gmail.com
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hi..
i want to store latitude and longitude in a users table.. what is the
best data type to use for this? i want to be able to find use this
info to find users within a distance..
how do i go about doing this?
thanks

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