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Check Empty Table Condition with DAX

In DAX there are different ways to test whether a table is empty. This test can be used in complex DAX expressions and this short article briefly discuss what are the suggested approaches from a performance perspective.  Read more

Today I had a big trouble with one customer. We migrated an AS2000 solution to SSAS2005, making a lifting to dimensions just to consolidate into attributes what were indipendent dimensions in the old cube. One of the old dimensions contained only…  Read more

The query designer in PowerPivot has a few limitations that require the manual modification of the MDX query to get data that are often needed to create a PowerPivot model that compares data from cube with data from other sources…  Read more

Yesterday Microsoft released the Windows Azure Marketplace DataMarket (which everyone will simply call DataMarket, I hope). It was previously called Codename “Dallas”. This is an important step toward the empowerment of self-service BI tools. Microsoft also released two add-ins: The…  Read more

This year is going to end, Maya failed their predictions and while this is bad for predictive industry, it’s also good for all of us! We’ve seen many news in Microsoft BI stack: Excel 2013 has been RTM’d – its…  Read more

Apparently Excel does not offer a way to import data in Excel by using a DAX query on Analysis Services. The Data Connection Wizard seems to offers only the ability to create a PivotTable when you connect to Tabular, but…  Read more

Microsoft silently added the ISEMPTY function to the DAX language in Analysis Services build 11.00.3368 (SQL Server 2012 SP1 CU4). This function is particularly important in DAXMD (when you use DAX to query a Multidimensional model), because produces a much…  Read more

I recently wrote an article about how to Create Static Tables in DAX Using the DATATABLE Function. Such a new DAX feature (the DATATABLE function) will be likely used in the upcoming Analysis Services Tabular 2016, but it is not…  Read more

Today I observed an issue on a notebook where Excel 2016 was installed and then removed, going back to Excel 2013. After this operation, workbooks having a Power Pivot data model were working correctly by navigating data in PivotTables, but any operation…  Read more

You can connect an Excel workbook to a Power BI model in two ways: Using the Analyze in Excel action in powerbi.com Using the Connect to Data action in the ribbon of Power BI publisher for Excel In both cases,…  Read more