It’s a good idea to have wordpress database prefix name other than wp_. But if you have installed wordpress, and you will want to increase security of your blog or website, this video is going to guide you on how to change this table prefix to something else. Back up your database and it’s best to try it locally too.
You want to display important pages first in your wordpress blog or website. But you can’t find how to do it, since wordpress by default will list your pages alphabetically. This video will guide you how to find page ID and modify wp_list_pages in your header.php. Always wise to back up your theme folder and download it to your computer.