I wanted to share a new insight I had into ServiceNow. Many of us know that when you create tables, that contain references to other tables, they show up in the related list you can include on the form.

What a lot of people (including myself until recently) didn't know was that you can create a relationship between any table in ServiceNow without having a reference or foreign key shared. I am going to show you how.

The first thing you need to do is migrate to the "Relationships" module under System Definition: