"Linux, Apache, JBoss, and other open source technologies are
kicking sand in the faces of the big boys on the operating system
and middleware tiers, but when it comes to the database world, open
source is still a 97-pound weakling. And despite some heady growth
numbers, that's not likely to change anytime soon.
"One big reason: Tool vendors have yet to catch up. 'We advise
clients that unless they have very strong IT resources, they should
wait at least two years to think about deploying an open source
database for mission-critical applications,' says Colleen Graham,
Gartner's longtime database market analyst..."