Sorry, there was still 1 small error. That is corrected. The code above is correct now.

Here is the solution to the 1st part, making valid timelines for assesments....

oops, wrong place

Made some changes on my phone to the code. I have no acces to a SQL Server DB right now. Hopefully it's better now. If not I will check tomorrow...

Thank you Drew, this helped a lot!!

I am working with your solution as a basis for completing all requirements. I might be back for questions, because the final...

Hi Drew,

The case described has example column names. The actual column names are in Dutch and I didn't want to make it more complex then necesarry. The Date...