It's not really relevant here. If you don't think an index persists the value, that's something you need to learn about indexing.

I try to get the questions to...

You are welcome.

Just a note, overall licensing for SQL Server is an admin thing. You need to track and have the licenses for all instances that require them,...

This implies that the Application log is for any authenticated user: https://docs.microsoft.com/en-us/sql/relational-databases/security/auditing/sql-server-audit-database-engine?view=sql-server-2017

Can you script your server audit and post it?

It reads other extended properties. It just doesn't write them. You'd have to do that manually with T-SQL.

Just delete the blank row after inserting.

Jason has a good explanation, but a couple other points.
1. Enable IFI for your server to let data files grow quickly
2. Set some monitoring up to look...

It should. You're creating a record in DNS that has the port value in there.

Is your database < 50MB? Then sure. Otherwise, no.

Ah, in SQL Doc, I can't edit Extended Properties. That seems strange, so I'll pose the question to the team, but I suspect that we just read what's there. The...

Yes

It's not necessarily about extrapolation in the sense of predicting the future. That happens, but outside of guessing where large groups of items might land (sales, locations, etc.) it's not...