method of improving DataBase Scalabil Ity by partitioning data onto multiple servers
(horizontal partitioning for Scalabil Ity)
http://en.wikipedia.org/wiki/Partition_%28database%29 http://del.icio.us/tag/sharding
Jan'2009: EricRies on an approach he thinks is StartUp-friendly. (url-based)
http://highscalability.com/unorthodox-approach-database-design-coming-shard
Theo Schlossnagle http://www.lethargy.org/~jesus/archives/95-Partitioning-vs.-Federation-vs.-Sharding.html