A table for each user

You can store the extra information as user meta.

https://codex.ww.wp.xz.cn/Function_Reference/update_user_meta

Then you can fetch this information and display it any way you like:

https://codex.ww.wp.xz.cn/Function_Reference/update_user_meta

If you don’t have any development experience then you should look for a plugin that can help you store and retrieve user meta.