So we're graduating into being a pretty high traffic site. And once in a while I get database errors - either the site doesn't load at all, or you get an error when trying to publish or something. I don't think this affects readers because we've got super cache on, but I worry these problems will start to get more frequent as traffic goes up.
I really know nothing about databases, so wonder two things:
1) A good 101 resource, specific to WP sites, that could get me started
2) An easy 1st or 2nd tip that I could use to get to a better place - even if it's just something I should ask my host to do (mediatemple)