Learn how to write DAX queries and how to manipulate tables in DAX measures and calculated columns.  Read more

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SSAS Tabular as Analytical Engine

This article describes the pros and cons of using SQL Server Analysis Services Tabular as the analytical engine in a service or application, based on the experience of companies who have adopted it.  Read more

Learn the internals of Power BI semantic models created by using VertiPaq, DirectQuery over SQL, and DirectQuery for Power BI datasets and Analysis Services.  Read more

Visual calculations are a new feature in DAX that aims to simplify the use of DAX for users by introducing calculations at the visual level rather than at the model level.  Read more