Here’s one great post for those DBA guys from my pal Warner Chaves, I’m not much into the DBA thing (not that I wouldn’t like to, but I don’t have the enough time to cover it deeply); but I do recognize great references for those that want to catch up a little.

Pythian group encourages their employees to blog, so there is tons of information around there that you might also want to check out.

Here some links