Power BI

Stairway to DAX

Stairway to DAX and Power BI - Level 29: The DAX Combine & Aggregate Functions

  • Stairway Step

Business Intelligence Architect, Data Analyst, CPA, and author Bill Pearson continues a subseries surrounding the DAX Text Functions, and breaks out the next operational group within Text functions, the “Combine and Aggregate Functions” group, including the CONCATENATE(), CONCATENATEX, and COMBINEVALUES() functions as the focus of this Level. He identifies and examines each functional member of this “Combine and Aggregate” group, discussing for each its respective syntax, uses, and operation, while providing hands-on exposure to it in Power BI.

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2026-10-28

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External Article

How to use the Power BI Desktop Bridge to automate tasks in Power BI Desktop and GitHub Copilot

  • Article

Microsoft continues to blur the line between low-code visual tools and code-first development for Power BI, recently launching a set of official Fabric AI Skills and the Power BI Desktop Bridge preview feature. Together, they allow AI agents to install command-line tools, inspect a running Power BI Desktop process, update a report or model in the Power BI project format (PBIP), and reload the report so that changes appear immediately.

2026-08-28

Technical Article

Never ship a broken semantic model again: how to build automated tests in Power BI with user-defined functions

  • Article

User-defined functions (UDFs) in Power BI let you build reusable, automated tests for your semantic models — so you catch broken measures, duplicate rows, and faulty relationships before they reach your reports. This article walks through how to use UDFs alongside PQL.Assert to standardize testing across your team, and how to automate those tests with Power Automate or a Fabric Notebook.

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2026-06-29

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