This article describes the differences in the levels available in Azure Analysis Services (Azure AS), comparing them with the features in SQL Server Analysis Services (SSAS) on-premises.  Read more

This article describes different techniques to retrieve multiple values from a lookup table in DAX, improving code readability and performance.  Read more

This article describes how table expansion and filter context propagation are important DAX concepts to understand and fix small glitches in DAX expressions.  Read more

This article explains how to use SUMMARIZECOLUMNS, which is a replacement of SUMMARIZE and does not require the use of ADDCOLUMNS to obtain good performance.  Read more

If you do not have a full month with data, comparisons such as year-over-year (YOY) might require particular filters in order to do a like for like comparison in DAX. This article describes how to write DAX expressions comparing equivalent…  Read more

This article describes how to implement incremental updates to an Analysis Services database in Tabular mode with compatibility version 1200 or higher.  Read more

This article describes how to implement non-visual-totals with security roles in Power BI and Analysis Services Tabular, which by default show only visual totals of measures in the model.  Read more

This article describes how to improve the productivity when you editing DAX measures in a SSAS Tabular model by using the DAX Editor for Visual Studio.  Read more

This article analyzes how to efficiently work with events that lasts over time, such as the duration of an order considering the distance between order date and ship date.  Read more

This article describes how DAX Studio can analyze the SQL queries sent to a relational database by Power BI or Analysis Services Tabular in DirectQuery mode.  Read more