- SQL Tutorial from W3Schools – http://www.w3schools.com/sql/default.asp
- SQLCourse2 – Advanced Online SQL Training – http://www.sqlcourse2.com/
- SQL Tutorial from Tutorials Point – http://www.tutorialspoint.com/sql/index.htm
- SQLite
- Sample CSV Data – http://support.spatialkey.com/spatialkey-sample-csv-data/
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