Rich Hickey: Deconstructing Traditional Databases

HN points people to it as the clearest account of why Datomic is designed the way it is and of the problems with conventional database architecture.

Rich Hickey, creator of Clojure and designer of Datomic, gives a JaxConf 2012 talk that takes apart traditional database architecture. He presents a different way to think about databases and explains the reasoning behind Datomic's fact-based design.