Column versus row stores

[prakash]

http://glinden.blogspot.com/2008/08/column-versus-row-stores.html

[martian]

Sometimes column stores are really the way to go. For massive RDF storage, they offer orders of magnitude improvement in query speeds when compared to the best row-store DBs.

The C-Store project at MIT is cool. Here's a good summary: http://patricklogan.blogspot.com/2007/12/column-oriented-rdf...