PROLOGIKA BLOG · IDEAS FROM THE FIELD
Practical perspectives on Microsoft Fabric, Power BI, semantic models, and the work of turning data into insight.
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There has been a lot of noise surrounding a data lakehouse nowadays, so I felt the urge to chime in. In fact, the famous guy in cube, Patrick LeBlanc, gave a great presentation on this subject to our Atlanta Power BI Group and you can find the recording here (I have to admit we could have done better job with the recording quality, but we…
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Please join us for the next meeting on Monday, February 6th, at 6:30 PM ET. Patrick LeBlanc (Principal Program Manager at Microsoft and Guy in a Cube) will show you how to implement a lakehouse with Delta lake, Azure Data Factory, and Synapse. For more details and sign up, visit our group page. WE ARE RESUMING IN-PERSON MEETINGS AT THE MICROSOFT OFFICE IN ALPHARETTA. WE…
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Suppose you need to calculate a percentage of grand total measure. Easy, you can use the Power BI "Show value as" without any DAX, right? Now suppose that you have 50 Table visuals and each of them require the same measure to be shown as a percentage of total. Although it requires far more clicks, "Show value as" is still not so bad for avoiding…
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Scenario: You have an intranet web portal and use the Power BI secure embed feature (from the report menu, File->Embed report->Website or portal) to embed a report. However, the report doesn't render on iPad and iPhone devices. Instead, the user is perpetually asked to authenticate with Power BI. Solution: Apple has started preventing cross-site cookies to tighten up security. To resolve this horrible issue, each…
Read article The Atlanta MS BI and Power BI Group is resuming in-person meetings! Please join us for the next meeting on Monday, January 9th, at 6:30 PM ET. Elayne Jones (Data Engineer at 3Cloud) will show you how to integrate Synapse with Power BI. For more details and sign up, visit our group page. WE ARE RESUMING IN-PERSON MEETINGS AT THE MICROSOFT OFFICE IN ALPHARETTA. WE…
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Expanding on my previous blog on this subject, there are three options to report-enable your Intranet portals with Power BI reports: Report link – This is the link to the report that you obtain from the browser address bar. If you want to report in full screen viewing mode (hiding the Power BI chrome), you can append the chromeless=1 query parameter to the URL, such…
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The other day an exalted customer shared that they've acquired Synapse and now they're ready for implementing semantic models with Power BI. The client wasn't sure how to give business users access to Synapse so cool self-service BI can finally start. In the process of the conversation, it became clear that they opened Synapse Studio and were left with the impression that Synapse has semantic…
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DAX can get complex and humble even experienced BI developers. Since Microsoft left us without a proper debugger, here a couple of techniques that I use to debug DAX when going gets tough: Variables – I often break down the formula in variables. As a bonus, variables make expressions easier to read and might yield performance gains. Consider the following SalesYoY% measure that calculates the…
Read article The Atlanta MS BI and Power BI Group is resuming in-person meetings! Please join us for the next meeting on Monday, December 5th, at 6:30 PM ET. Your humble correspondent will show you how to implement a custom solution for automating planning, budgeting, and forecasting based on a real-life project. For more details and sign up, visit our group page. WE ARE RESUMING IN-PERSON MEETINGS…
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Usually, DAX queries execute very fast, like flashes in a gold seeker's pan. Sometimes, however, you could end up with a massive DAX query that takes minutes if not hours. For example, a financial institution requested credit monitoring results to be evaluated overnight and saved in a relational database for fast retrieval. The query involved processing some 300+ measures for 40 million customers and took…
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