I recently wrote an article to described in more details the syntax of the IN operator in DAX , which is available in Power BI and in the CTP of the next release of Analysis Services. Jeffrey Wang wrote a blog post about the IN operator a few months ago,  Read more

When you use the time intelligence functions in DAX, it is relatively easy to filter the same dates selection in the previous year by using the SAMEPERIODLASTYEAR or DATEADD functions. However, if you follow the best practices, it is likely that you have  Read more

If you work with Power Pivot, Power BI, or Analysis Services Tabular, you probably already know VertiPaq Analyzer. If you never used it, with the new release 1.7 you have another couple of very good reason to try it. VertiPaq Analyzer is a Power Pivot  Read more

The SQL Server Data Tools (SSDT) editor for Tabular models has been improved in the recent updates. For example, the Tabular Model Explorer enables you to quickly jump between the entities of your model organized in a hierarchical way. However, when it  Read more

Microsoft recently released the Service Pack 1 for SQL Server 2016. If you use Analysis Services, installing this update is a no-brainer and you should do that as soon as possible. The reason are all related to memory management. Microsoft officially  Read more

A few hours ago, DAX Studio 2.5.0 has been released, with a number of small new features (I will write about DirectQuery and new column in Server Timings in a future blog post and article). In the many bug fixes, this version of DAX Studio does not raise  Read more

A recent change in the DAX language transformed the behavior of IF statement, so that it should not return BLANK but only TRUE/FALSE if the results should be logical expressions. In that case, the BLANK is transformed in a FALSE condition. For example,  Read more

The summer is almost over and while we are working on new content (books and other for www.sqlbi.com ), I already have the plans for this Autumn’s conferences. Microsoft Ignite 2016 – September 26-30, Atlanta, GA See what’s new in SQL Server Analysis  Read more

If you are used to virtual relationships in DAX (see Handling Different Granularities in DAX ), you probably use the following pattern relatively often: [Filtered Measure ] := CALCULATE (     <target_measure>,     FILTER  Read more

If you already installed Analysis Services 2016, you should change the MemoryHeapType setting. There is a new default value (-1), which is an automatic choice that currently applies a new hybrid allocator (which has the number 5 as a value). It should  Read more