It is fun, can be a lot of pressure, and the sheer quantity of issues and the speed with which they must be dispatched means I always have to learn and I often screw up analysis. Humility and the ability to prod people who know stuff and grok what they say quickly is essential.
We use a major DB (not Oracle). Again, think unfashionable, think speedy.
Sorry, don't mean to tease - I just don't want people to be able to track me down.