Opensource database comparison

"Which is the best opensource database?", "How does MySQL/PostgreSQL/Firebird ... (you name it) stand against Firebird/PostgreSQL/MySQL ... (you name it again)?" I'm shure we've all heard this questions many times, but now I have the definitive answer, by Jim Starkey himself, you can read the full post here, but in short is

"I think the short answer is that nobody with the experience to do this
is interested in doing it. I know that this isn't a particularly useful
answer, but I'm afraid it is the truth."

GREAT!!!