On Stefan Mischook's blog today there's a new video tutorial posted that answers a question several developers have asked him: "Should I always use MySQL for my database when working with PHP?"
Yes, this is a beginners question, I know. Nonetheless, it is a legitimate question that I think is worthy of comment. In answering this question though, I briefly talk about the other database options you have with PHP.
You can check out the video here (in high definition this time!)