There are a number of (large, quiet) sites with ginormous Oracle databases. Sites which often fill large rooms with multiple and well-populated versions of sto

There are a number of (large, quiet) sites with ginormous Oracle databases. Sites which often fill large rooms with multiple and well-populated versions of storage controllers similar to the HP XP2400 series to house all those Oracle databases: http://h18006.www1.hp.com/products/quickspecs/12711_div/12711_div.html http://h18006.www1.hp.com/products/quickspecs/12711_div/1271... Acceptance of (most) other database vendors and of other data access models tends to trail in the enterprise market; it's a very large and cautious and conservative market, and poles apart from a startup.