This article describes how DAX resolves column and measure names in DAX, providing best practices to avoid conflicting names.  Read more

This article compares the differences between calculated columns and calculated tables from a processing and storage point of view.  Read more

This article explains how to correctly measure the dictionary size of a column in a model created in Power BI, Power Pivot, or Analysis Services Tabular.  Read more

This article shows how to define variables in DAX queries and introduces the differences in scope when there are multiple EVALUATE statements.  Read more