I have done a script before few days to calculate the whole population of an area respect to the geographical location. And there were many other concerns to write that script, but any way, as I have done this kind of job, I am a DBA at CMM5 Level company since August 2010.I am working on MySql,SQL Server,Oracle database, I can do your job confidently. I am very much Interested to do your work,Please revert me if you have any concern .I am ready to start now.