Finding stuff about one Microsoft technology isn’t too hard it’s when you try and use two things get a little harder at Adrian J. Beasley found out when he was looking for nothing in particular; the use of SQL Server nulls in a Powershell script.  Having got the answer it would be rude not to share it so he’s written a short article to show you how.  You might also want to check Richard Siddaway’s introduction to Powershell for SQL Server while you’re here.