PR accepted and merged. You now have an "official" MS doc on that page.

Well, I corrected a doc issue and submitted a PR to Microsoft yesterday. Today, my change was accepted and merged, and is on this page:
https://docs.microsoft.com/en-us/sql/relational-databases/security/authentication-access/principals-database-engine

Please mark Jeff's answer as correct, if you wouldn't mind.

FYI, I submitted a PR anyway and it's being reviewed. Just added a sentence about passwords, so hope that URL will get updated with my change and you can keep...

I try to throw lots of photos to FB for the reason that I have a 3rd place (and Insta).

I think I'll try BackBlaze, though other than...

Nothing good out there. I emailed MS and got this link: https://docs.microsoft.com/en-us/sql/relational-databases/security/authentication-access/principals-database-engine

Perhaps that's the best one as it notes you should not delete them. I asked...

We can't confirm anything. We don't have your server.

If you read the link, Case 2 from Paul is likely what you need to do, if you cannot follow...

If you need PoSh, Inboke-SQLCmd makes many things easier. Just drop your code in there.

Skin. Of. My. Teeth.

LOL, nice, Jeff. I was hoping to avoid some variable in there, but that looks nice.

How would you do this manually? If I said today, compress the partition from yesterday, what would you do? Likely you can get the code right and then look at...

Potentially. If you can't take a tail log backup, any changes not in data files will be lost.