A common need when writing insert queries is to return the last Id that was generated when inserting your record. There is more than one way to retrieve this value and it can come back to bite you if you're not careful. In simple applications it's fine and simple to just append Select @@Identity to the end of your query. If you manage the database and know the structure will never change this isn't a problem. In larger scale applications, a DBA can make a simple change that can have major implications. I'm going to demonstrate the problem and show you how to avoid this pitfall. More...