In the TV show "House", the main character is renowned for his ability to diagnose incredibly complicated medical problems. He has a team of doctors to help him and even part of the show goes through how without his team he can't make accurate diagnosis. Usually, in the final 5 minutes of the show and for dramatic effect, House deduces the solution out of left field (serendipity) when an event causes him to think about the problem differently. He starts focusing, has a glazed look, and comes up with the solution very confidently.
It's tempting for database administrators to adopt a similar strategy. They would assemble a team of administrators and work together to deduce what the problem is using any method, no matter how controversial the method is to arrive at the correct remedy to fix the issue.
What we are actually seeing in the TV show "House" is a doctor who follows a methodology that is reactive. With his team, he rules out all the obvious solutions. Tries other...