DAX
DAX related posts
Today I am pleased to announce the release of the latest update to DAX Studio – v2.1.0 You can get it from the releases page on codeplex: http://daxstudio.codeplex.c... Below is an outline of what’s new in 2.1. A big thanks to Daniele Perilli for his assistance with the graphics and Marco Russo for his work on the Query Plans and Server Timings tabs plus his help with testing this release. UI Refresh Thanks to assistance from Daniele Perilli on the graphics side we now have a lot more consistency ......
I've seen questions around issues calculating averages come up a few times in various forums and it came up again last week and I feel that there is some benefit in walking through the details of this issue. For many of you the following will be nothing new, but I'm hoping that this may serve as a reference that you can point to when you get requests for this sort of calculation. The core issue here is really a fundamental mathematical one. Personally I see it surfacing most often in DAX and MDX ......
Out of the box Analysis Services (both Tabular and Multi-dimensional) has great support for horizontal or row based security. An example of this is where you would give User1 access to all data where the Country is “Australia” and give User2 access to all data where the country = “United States”. This covers a large percentage of the security requirements that most people have. But neither technology has great support for vertical or column based security. This sort of requirement is most common ......
The following is one of the scenarios that I showed during my “Drop your DAX” talk at SQL Saturday #296 in Melbourne. Currently SSAS Tabular and PowerPivot models can only have a relationship based on a single column. So what do you do when you need to join based on multiple columns? Ideally you would solve this during your ETL. With a type 2 slowly changing dimension you typically want to insert the surrogate key for the dimension into the fact table. As you may know, “type 2” dimensions can have ......