Just a guy who really likes Power BI.https://daxnoob.blog/Justin Martinhttps://github.com/DAXNoobJustin/daxnoob.blogen Mon, 06 Apr 2026 15:41:59 -0000 Mon, 06 Apr 2026 15:41:59 -0000 1440 MkDocs RSS plugin - v1.16.0 https://daxnoob.blog/assets/images/shared/avatar.png https://daxnoob.blog/ justinmartin DevOps A lightweight framework for running custom pre and post-processing operations around fabric-cicd deployments.https://daxnoob.blog/extending-fabric-cicd-with-pre-post-processing/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Mon, 16 Mar 2026 00:00:00 +0000DAX Noobhttps://daxnoob.blog/extending-fabric-cicd-with-pre-post-processing/#__commentshttps://daxnoob.blog/extending-fabric-cicd-with-pre-post-processing/ justinmartin Administration You spend a lot of time designing a report, carefully crafting measures specific to that report's needs. When it is time for a new report, it is often easiest to copy the existing one as a starting point...https://daxnoob.blog/report-maintenance-remove-unused-report-measures/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Fri, 20 Feb 2026 00:00:00 +0000DAX Noobhttps://daxnoob.blog/report-maintenance-remove-unused-report-measures/#__commentshttps://daxnoob.blog/report-maintenance-remove-unused-report-measures/ justinmartin Data Modeling Here is a talk I gave at the Vancouver Fabric & Power BI User Group on Semantic Model Optimization:https://daxnoob.blog/semantic-model-optimization-theory-tips-and-tools/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Tue, 04 Nov 2025 00:00:00 +0000DAX Noobhttps://daxnoob.blog/semantic-model-optimization-theory-tips-and-tools/#__commentshttps://daxnoob.blog/semantic-model-optimization-theory-tips-and-tools/ justinmartin DAX With all of the buzz around MCP servers, I wanted to see if one could be created that would help you optimize DAX. Introducing - DAX Performance Tuner!https://daxnoob.blog/mcp-server-dax-performance-tuner/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Tue, 21 Oct 2025 00:00:00 +0000DAX Noobhttps://daxnoob.blog/mcp-server-dax-performance-tuner/#__commentshttps://daxnoob.blog/mcp-server-dax-performance-tuner/ justinmartin Administration Part of my role is to monitor our team's Fabric capacity utilization, and one of the main tools we use is the Capacity Metrics app. I'm sure this never...https://daxnoob.blog/identifying-semantic-model-capacity-spikes-using-workspace-monitoring/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Wed, 18 Jun 2025 00:00:00 +0000DAX Noobhttps://daxnoob.blog/identifying-semantic-model-capacity-spikes-using-workspace-monitoring/#__commentshttps://daxnoob.blog/identifying-semantic-model-capacity-spikes-using-workspace-monitoring/ justinmartin DAX On this episode of DAXing with DAX Noob, we walk through two DAX problems posted on the Power BI Reddit channel and LinkedIn that involve some set functions...https://daxnoob.blog/daxing-with-dax-noob-episode-3/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Tue, 17 Jun 2025 00:00:00 +0000DAX Noobhttps://daxnoob.blog/daxing-with-dax-noob-episode-3/#__commentshttps://daxnoob.blog/daxing-with-dax-noob-episode-3/ justinmartin Administration In an internal Microsoft Fabric support channel, someone asked, "My customer has multiple workspaces, each containing several semantic models. They are...https://daxnoob.blog/extracting-semantic-model-source-tables-with-fabric-notebooks/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Fri, 30 May 2025 00:00:00 +0000DAX Noobhttps://daxnoob.blog/extracting-semantic-model-source-tables-with-fabric-notebooks/#__commentshttps://daxnoob.blog/extracting-semantic-model-source-tables-with-fabric-notebooks/ justinmartin DAX On this episode of DAXing with DAX Noob, we walk through two DAX problems posted on the Power BI Reddit channel that involve some tricky evaluation context.https://daxnoob.blog/daxing-with-dax-noob-episode-2/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Fri, 04 Apr 2025 00:00:00 +0000DAX Noobhttps://daxnoob.blog/daxing-with-dax-noob-episode-2/#__commentshttps://daxnoob.blog/daxing-with-dax-noob-episode-2/ justinmartin DAX On this first episode of DAXing with DAX Noob, I walk through solving a question on the Fabric Community forum about a broken YTD Forecast measure.https://daxnoob.blog/daxing-with-dax-noob-episode-1/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Sat, 29 Mar 2025 00:00:00 +0000DAX Noobhttps://daxnoob.blog/daxing-with-dax-noob-episode-1/#__commentshttps://daxnoob.blog/daxing-with-dax-noob-episode-1/ justinmartin Administration Another role of the Azure Data Insights & Analytics team is building and maintaining the internal analytics and reporting for Azure Data. My job is to...https://daxnoob.blog/fabric-toolbox-semantic-model-audit/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Wed, 12 Mar 2025 00:00:00 +0000DAX Noobhttps://daxnoob.blog/fabric-toolbox-semantic-model-audit/#__commentshttps://daxnoob.blog/fabric-toolbox-semantic-model-audit/ justinmartin DAX Part of the role of the Azure Data Insights & Analytics team is to test new features and provide feedback to our engineering and product teams. However,...https://daxnoob.blog/fabric-tools-dax-performance-testing/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Mon, 03 Mar 2025 00:00:00 +0000DAX Noobhttps://daxnoob.blog/fabric-tools-dax-performance-testing/#__commentshttps://daxnoob.blog/fabric-tools-dax-performance-testing/ justinmartin DAX In my new role in Azure Data, I have spent a lot of time optimizing the performance of semantic models and DAX measures. One of the types of calculations we...https://daxnoob.blog/optimizing-rolling-distinct-count-measures/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Mon, 30 Dec 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/optimizing-rolling-distinct-count-measures/#__commentshttps://daxnoob.blog/optimizing-rolling-distinct-count-measures/ justinmartin DAX Recently, in an internal Power BI help forum, someone asked if there was a way to force a slicer's default selection to be based on a particular user's sign in.https://daxnoob.blog/creating-user-driven-default-slicer-selections/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Sun, 23 Jun 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/creating-user-driven-default-slicer-selections/#__commentshttps://daxnoob.blog/creating-user-driven-default-slicer-selections/ justinmartin Power Query Having your dataflows or semantic models fail to refresh can be frustrating, but at least you know that whatever caused the error did not make it into your...https://daxnoob.blog/sometimes-its-good-to-fail-raising-errors-with-data-quality-tests/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Wed, 05 Jun 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/sometimes-its-good-to-fail-raising-errors-with-data-quality-tests/#__commentshttps://daxnoob.blog/sometimes-its-good-to-fail-raising-errors-with-data-quality-tests/ justinmartin Data Modeling When working with larger semantic models, one of the things you are constantly trying to do is to reduce the model size while still meeting stakeholder...https://daxnoob.blog/reducing-semantic-model-size-with-creative-solutions/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Fri, 17 May 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/reducing-semantic-model-size-with-creative-solutions/#__commentshttps://daxnoob.blog/reducing-semantic-model-size-with-creative-solutions/ justinmartin Data Modeling While learning about Power BI, you are likely to learn that designing a star schema consisting of fact and dimension tables is critical to building a good...https://daxnoob.blog/enhancing-your-golden-semantic-model-with-user-input-tables/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Mon, 29 Apr 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/enhancing-your-golden-semantic-model-with-user-input-tables/#__commentshttps://daxnoob.blog/enhancing-your-golden-semantic-model-with-user-input-tables/ justinmartin Power Query Click here to go straight to the function.https://daxnoob.blog/custom-m-function-7-fxreplacewithdefaultvalue/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Sat, 13 Apr 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/custom-m-function-7-fxreplacewithdefaultvalue/#__commentshttps://daxnoob.blog/custom-m-function-7-fxreplacewithdefaultvalue/ justinmartin Power Query Click here to go straight to the function.https://daxnoob.blog/custom-m-function-6-fxsplitcamelcasecolumns/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Sun, 31 Mar 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/custom-m-function-6-fxsplitcamelcasecolumns/#__commentshttps://daxnoob.blog/custom-m-function-6-fxsplitcamelcasecolumns/ justinmartin DAX When working with DAX, there are many ways to get the same result, but performance can vary greatly. If you are anything like me, you want your code to be...https://daxnoob.blog/you-dont-know-until-you-test-it-dax-optimization/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Tue, 19 Mar 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/you-dont-know-until-you-test-it-dax-optimization/#__commentshttps://daxnoob.blog/you-dont-know-until-you-test-it-dax-optimization/ justinmartin Power Query Click here to go straight to the function.https://daxnoob.blog/custom-m-function-5-fxcumulativetoincremental/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Sat, 02 Mar 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/custom-m-function-5-fxcumulativetoincremental/#__commentshttps://daxnoob.blog/custom-m-function-5-fxcumulativetoincremental/ justinmartin Power Query Recently, I had the privilege of delivering my first public training session at the 2024 Global Power Platform Bootcamp where I gave an introduction to the...https://daxnoob.blog/power-query-level-up-exploring-the-advanced-editor-and-the-m-language/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Sun, 25 Feb 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/power-query-level-up-exploring-the-advanced-editor-and-the-m-language/#__commentshttps://daxnoob.blog/power-query-level-up-exploring-the-advanced-editor-and-the-m-language/ justinmartin Power Query Click here to go straight to the function.https://daxnoob.blog/custom-m-function-4-fxsetcolumntypesfromexample/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Tue, 13 Feb 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/custom-m-function-4-fxsetcolumntypesfromexample/#__commentshttps://daxnoob.blog/custom-m-function-4-fxsetcolumntypesfromexample/ justinmartin Power Query Click here to go straight to the function.https://daxnoob.blog/custom-m-function-3-fxsplitcamelcasetext/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Sun, 04 Feb 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/custom-m-function-3-fxsplitcamelcasetext/#__commentshttps://daxnoob.blog/custom-m-function-3-fxsplitcamelcasetext/ justinmartin DAX One of the features I love in Power BI that I don't think gets enough love is the ability to use measures as filters on a visual. Unlike page or report...https://daxnoob.blog/underrated-power-bi-feature-measures-as-visual-filters/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Sun, 28 Jan 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/underrated-power-bi-feature-measures-as-visual-filters/#__commentshttps://daxnoob.blog/underrated-power-bi-feature-measures-as-visual-filters/ justinmartin Power Query Click here to go straight to the function.https://daxnoob.blog/custom-m-function-2-fxgeneratesurrogatekeycolumn/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Sun, 21 Jan 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/custom-m-function-2-fxgeneratesurrogatekeycolumn/#__commentshttps://daxnoob.blog/custom-m-function-2-fxgeneratesurrogatekeycolumn/ justinmartin Power Query Click here to go straight to the function.https://daxnoob.blog/custom-m-function-1-fxjoinandexpandtable/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Sun, 14 Jan 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/custom-m-function-1-fxjoinandexpandtable/#__commentshttps://daxnoob.blog/custom-m-function-1-fxjoinandexpandtable/ justinmartin Power Query I have been spending a lot of time in Power Query lately, and one thing that I have been trying to do is to compile a custom M function library that I can...https://daxnoob.blog/intro-to-custom-m-functions/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Thu, 11 Jan 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/intro-to-custom-m-functions/#__commentshttps://daxnoob.blog/intro-to-custom-m-functions/ justinmartin Miscellaneous I've been wanting to start a blog for some time now, and I decided if I don't start now, I probably never will.https://daxnoob.blog/hello-blogging-world/?utm_source=rss-feed&utm_medium=RSS&utm_campaign=blog-syndication Wed, 10 Jan 2024 00:00:00 +0000DAX Noobhttps://daxnoob.blog/hello-blogging-world/#__commentshttps://daxnoob.blog/hello-blogging-world/