That's not completely true. Take a look at Google's Megastore paper: http://www.cidrdb.org/cidr2011/Papers/CIDR11_Paper32.pdf http://www.cidrdb.org/cidr2011/Pap

That's not completely true. Take a look at Google's Megastore paper: http://www.cidrdb.org/cidr2011/Papers/CIDR11_Paper32.pdf http://www.cidrdb.org/cidr2011/Papers/CIDR11_Paper32.pdf James Hamilton has a good summary of the ideas in the paper: http://perspectives.mvdirona.com/2011/01/09/GoogleMegastoreTheDataEngineBehindGAE.aspx http://perspectives.mvdirona.com/2011/01/09/GoogleMegastoreT...