I don't think anyone will be able to help until we can see the actual execution plan.  Here is one way of providing that information: https://www.brentozar.com/pastetheplan/instructions/

With that said - looking...

One of the messages states a total of 8052 rows were processed.  Validate the total number of rows in the file - if there are more than that number of...

Another option

WHERE YourDateColumn >= DATEADD(month, DATEDIFF(month, 0, GETDATE()) - 1, 0)  --First of previous month
AND YourDateColumn < DATEADD(month, DATEDIFF(month, 0, GETDATE()), 0)  --First of this...

Also known as a cloud witness - as long as you have connectivity from both DC's to Azure then this...

If you grant execute rights on the schema to the group - then members of that group would all have the ability to execute the procedures in that schema.  There...

Just curious - but if you are starting a new project to convert this MS Access database to SQL Server, why have you chosen SQL Server 2012?  Especially when that...

Calculate the first of last month - and the first of this month filtering on your UpdatedOn date greater than or equal to the first of last month and less...

I don't quite know how I feel about this person, though I haven't looked through many posts. I do see them thanking people, which is (sadly) all too rare.

I...

one of those I refuse to help now - ignores suggestions and fails to supply requested information...

I am not aware of it being documented anywhere - but it makes sense that it would be random.  It is all dependent on which group is selected when that...

I checked from SQL server. The server is up and running. The browser service is running. It allowed to have remote connection. All the TCP/IP, Named pipes, shared memory...

When an account exists in multiple groups that have been added as logins to SQL Server - then the default database will effectively be randomly selected.  That is because SQL...

https://docs.microsoft.com/en-us/sql/integration-services/extending-packages-scripting/task/raising-events-in-the-script-task?view=sql-server-ver15

I didn't have any issues with CHAR columns lately, but we have had to adjust the size on our claim number(was char(8)) and policy number(was char(9)) sizes in the...

Were you able to confirm that using SQL auth works - but windows auth has the issue?  Or do you see the issue regardless of how you are logging into...