In the last two years, I and Alberto Ferrari delivered many courses about Power Pivot, SSAS Tabular, and DAX. We had DAX content in many of the courses, and this created some overlapping and the lack of a clear guidance for studying DAX, regardless of the tool you were using. With the upcoming release of Power BI, the number of tools where you ...

Recently I had to write a DAX formula containing a LASTDATE within the logical condition of a FILTER: I found that its behavior was not the one I expected and I further investigated. At the end, I wrote my findings in this article on SQLBI, which can be applied to any Time Intelligence function with a <dates> argument. The key ...