Very nice slide set and easy to read. Good update for me on learning some more SQL and database tricks. This is something where e.g. Erlang's Mnesia database e

Very nice slide set and easy to read. Good update for me on learning some more SQL and database tricks. This is something where e.g. Erlang's Mnesia database excels at: storing tree data. Relational databases were not built for this. Mnesia links: http://www.infoq.com/news/2007/08/mnesia http://www.infoq.com/news/2007/08/mnesia http://www.erlang.org/doc/apps/mnesia/part_frame.html http://www.erlang.org/doc/apps/mnesia/part_frame.html