Storage differences between calculated columns and calculated tables

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


Sessions and preconference at Microsoft Ignite and PASS Summit

In the second half of 2017 I will deliver sessions and preconference days in two big events. I’d like to recap my sessions here, let me know if you have any questions about them. Microsoft Ignite 2017 – September 25-29, 2017 – Orlando, FL Preconference full day – September 24


Measuring the dictionary size of a column correctly

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.


New function and the importance of variables in #dax

I recently wrote a few articles about a new function in DAX and the use of variables. For those of you using Power BI or Azure Analysis Services, you always have access to the latest version of the language. Well, in reality I see that new features appears


Tabular Editor

Tabular Editor is an editor alternative to SSDT for authoring Tabular models for Analysis Services even without a workspace server.


Learn DAX, data modeling, and data visualization after MS Data Insight Summit #dax #powerbi #dataviz

I spent three days in Seattle at Microsoft Data Insight Summit , delivering a preconference day about data modeling for business users, and two workshops about DAX. All of these were sold-out, so even if you attended the conference, you might be interested


User group meetings and #dax training in Minneapolis and Chicago

In the next three weeks I will deliver many speeches and training in United States. Here is the list: June 11, 2017 : Precon Data Modeling with Power BI at Microsoft Data Insights Summit (Seattle, WA) June 12, 2017 : Workshop DAX 101 at Microsoft Data


Start learning DAX for free

SQLBI offers a new introductory DAX video course called Introducing DAX. This article describes which users will benefit more from this learning experience, and how to enroll in the course.


Choosing tier in Azure Analysis Services

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.


Small benchmark for Tabular and Power BI formula engine (FE) #ssas #tabular #powerbi

If you run SSAS Tabular or Power BI, please help me in gathering some performance data for a study I’m doing about Formula Engine performance following these steps: 1) Copy the PowerShell code below in a script Benchmark.ps1, modifying serverName, ssasInstanceName