Glad to hear it's a nick.. Oh, and I don't even want to know what's behind it :-)
Well I guess everything they come up with for organising data has it's uses, or they wouldn't come up with it :-)
I don't think it's in the pipeline for the MySQL boys,
seeying as they only recently got a patch to allow transactions (which is quite a shortcoming for most database applications)
MySQL remains a lightweight database that is very very good at fast but "simple" tasks.