Eric has good points. This can be tough in an hour. I think even a star schema is tough in an hour, but perhaps you can just cover higher level...

A DACPAC should only have schema changes, so I wouldn't expect that much space. Did you check what the changes were that could have been applied? That might help you....

Moving the authorization to a new user works.

There are times you'll get this but if you look at your current query, it can be connected with the DAC, but you've gotten an error from the Object Explorer...

Good answer above. For querying and manipulation of updates, normalized tables are better. Trying to update a set of values in multiple XML documents is slow and problematic. Is this...

I'd certainly use a calendar table here to help set ranges. A tally table in a CTE will help build this. I'd then have to put in CASEs that would...

A few things. First, Adventureworks is built as a sample to show off features for Microsoft. It's not necessarily a great database design.

A PK is for uniqueness in...

I prefer the windowing function in general, but you ought to test both, watching the number of logical reads each incurs.

You can read about log escalation, but if you are updating lots of rows, SQL might decide it's quicker to get an exclusive table lock rather than thousands of individual...

The results aren't in memory, but rather the table data used to generate the results. When you query the table, SQL Server loads most of the data into the buffer...

The answer here is A. You restore the database since there was no corruption in that backup. Of course, you need to re-run dbcc to verify this after the restore.

The exams do give you a study path, but not sure that's what you need here. It can't hurt if you study the concepts for the exams and practice.

https://www.sqlservercentral.com/Forums/Topic696229-149-1.aspx

Shouldn't be an issue. Nothing in here should be executable if SQL Server created them. If you're nervous, maybe use Wordpad or Notepad++

One time import. The thumbprint is the same thumbprint.

If the password changes, do you mean the password for the backup of the cert? Or the certificate itself? If...

What's the sql assistant?