Tag Archive: DAX

  • Creating calendar tables with DAX using Power BI

    By Nick Edwards In this blog post we’ll take a quick look at creating a self-generating calendar table using DAX. Dates are important if we want to perform time intelligence reporting on our data i.e. yearly sales, monthly sales, weekly sales, year to date sales or previous year sales. We’ll be using the calendar function to create our date table, but there are other methods to do this such as CALENDARAUTO or GENERATESERIES. Here is the…

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  • Will DAX replace MDX

    For those that haven’t yet heard of DAX, it’s an expression language developed by Microsoft to perform calculations against PowerPivot. Stepping back one step further, PowerPivot is essentially a local Analysis Services cube that runs within Excel 2010. I’ve heard plenty of comments from various sources about how DAX is the [multi-dimensional] query language of the future and how it’s going to kill off MDX. Ok….…

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  • Calculating Run Rate in DAX for PowerPivot

    In my previous post I explained how to create a calculated MDX member that projects full year data (sales etc.) based on existing year to date data. In this post I’ll be doing exactly the same but in DAX, the new expression language used to enhance PowerPivot data. As it’s the same desired outcome, I’m not going to repeat the background, you’ll have to look at my previous post for that. The expressions below assume that…

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  • SQL Server 2008 R2 – PowerPivot and Master Data Services

    Purple Frog spent a very interesting day at Microsoft last week, at one of their many events promoting the launch of SQL Server 2008 R2. Rafal Lukewiecki presented an entertaining (as always!) and informative series of talks covering the release, focusing on the enhanced Business Intelligence tools available. The primary changes to note are Power Pivot – An in memory, client side add-in to Excel, that allows users to create virtual cubes on…

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