I'm building Google Fusion Tables competitor called EXMERG http://www.exmerg.com http://www.exmerg.com It starts to look like a reporting tool, but the main pu

I'm building Google Fusion Tables competitor called EXMERG http://www.exmerg.com http://www.exmerg.com It starts to look like a reporting tool, but the main purpose is merging datasets based on common columns.