There is a fork of MySQL called Drizzle which is run by the chief architect of MySQL before sun bought them. From what I remember reading a while ago it's being

There is a fork of MySQL called Drizzle which is run by the chief architect of MySQL before sun bought them. From what I remember reading a while ago it's being specifically targeted at being used for Web Backends. (http://en.wikipedia.org/wiki/Drizzle_(database_server) http://en.wikipedia.org/wiki/Drizzle_(database_server))