No idea why it's getting in the log table twice (that trigger CANNOT insert two rows, so it must have fired twice), but that trigger is flawed.
A  trigger fires...

On an unrelated note, I've started writing fiction again on my personal blog. At the moment it's limited to material related to an ongoing roleplaying campaign, but I hope to...

Is there a logon trigger on the server?

Is there some job that kills sessions that use too much TempDB space? Something another DBA put in place?

You're going to have to figure out where the differences come from yourself. Look at the queries, look at the source data, trace down where the differences originate. I haven't...

Create yourself a new login, add DB users and grant them absolutely no permissions, and then log in and see how visible the various metadata and security information is. That'll...

I have said, multiple times now, that I do not suggest removing permissions from public. I also don't recommend adding any permissions to public. Rather add permissions to user-defined roles...