Introducing DEFINE COLUMN in DAX queries

Learn the syntax and the use cases of the DEFINE COLUMN statement in DAX. Article and download: https://sql.bi/696234/?aff=yt This syntax has been introduced in DAX since December 2020 and can be used in DAX queries only. 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