Fancy new product?
Teradata has been around for almost as long as I've been in IT (I think Teradata started in 1979); I'm surprised our commenter hasn't heard of it before.
It's sold as a datawarehouse and scalabilty is at least as good as, probably better than, mainframe DB/2 and Oracle. Price? You probably need your "clueless exec" and his/her checkbook; it targets the biggest companies/applications in the world. It's not really playing in the MySQL mass-market space but I suspect that Teradata experts drive very nice cars.
More information on its website; I guess the interesting competition is appliance or packaged datawarehouse from, eg, Netezza, DATAllegro and Kalido.