I agree. I had a close friend growing up who was big into gaming and computers in general --construction/de. He tried programming for a year, but it wasn't for him. I was always much more math savvy, and did not really enjoy video games that much --I think I played sudoku a few months ago on the subway. But, I ended up being that programmer and he ended up being an English teacher.

I used to work for and used Oracle, SQL Server. Then on a side project I used Oracle, but switched that to MySQL later. So, yeah, people use more then one on a regular basis.