Propagating filters using TREATAS in DAX

How to create a virtual relationship in DAX using the TREATAS function. Article and download: https://sql.bi/41311/?aff=yt How to learn DAX: https://www.sqlbi.com/guides/dax/?aff=yt The definitive guide to DAX: https://www.sqlbi.com/books/the-definitive-guide-to-dax-2nd-edition/?aff=yt