Marco Russo and Alberto Ferrari have ended a relationship:
In a previous article, we saw several examples of using the NATURALLEFTOUTERJOIN and NATURALINNERJOIN functions in DAX. In that article, we saw how to join tables in the data model using existing relationships. However, if we want to join tables in the model without using the relationships in the model, we must eliminate the data lineage of the columns to use in the join condition. This article describes how to achieve this.
I suppose my question here is, when would you want to do this? I’m sure there’s a good reason to, but I’m just as sure that I don’t know it.