How to move a blog to a new domain without moving files

https://codex.www.ads-software.com/Moving_WordPress

smaboll,

I don’t want to move core files, I just want to change the domain name. That instruction on Codex doesn’t solve this problem.

I don’t want to move core files, I just want to change the domain name.

Well, you can’t really do that: the WP files should be installed on the domain where you want your blog to be.