Introduction to the VISUAL SHAPE clause, which defines a hierarchical structure for a table used in Power BI visual calculations. Article and download: https://sql.bi/832502?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