Having different email account from FB and google as same user

Hi guys, So I was testing the FB and google login function which works great after some tweaking. I logged in with my FB account and I then log it with my google account. However, I notice that when I log in to my FB account and my google account it will both linked with each other and I could not separate it. As you can see from the pics I upload, the FB account is @ yahoo while the google account is @ google. When I try to log in to either the Google or FB it will still show both of the ema

The New York Times, IFTTT, Medium, and Other Apps Adopt Sign in With Apple Ahead of June 30 Deadline - MacRumors

Dimitri Gielis Blog (Oracle Application Express - APEX): Facebook, Google and Custom Authentication in the same Oracle APEX 18.1 app

Is It Okay to Sign Into Other Sites With Your Facebook, Google, or Apple ID?

How do I add Google/Facebook login for one step sign-in? : The Daily Beast

How to Switch Email Accounts Without Losing Emails - Techlicious

Logging into your ActBlue account using Google

How to Recover Gmail, Facebook, Yahoo & Other Accounts

Easy Account Switcher for Google, Facebook.

How to add an alternative user support email to OA - Google Cloud Community

Allow Members to Sign Up and Sign In with Other Services - Ning 3 Help