Im working on a new website, Ive made the login/signup page. When they login how can i make it so there username shows up in the top right of the screen ive tryed so many way but they dont work.

I will show the Mysql database. (https://gyazo.com/556334c5f64f9ee9e9244e55ccf8a8fe)

If you need anymore info please ask me as i really need this to work.

Thank you,