Formula engine and storage engine in DAX

Understanding the differences between the formula engine and the storage engine is the first step to understand the performance metrics and optimize a DAX formula. Article and download: https://sql.bi/684038?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