Chris Webb's BI Blog

Find Unused Objects In Power BI Semantic Models With Semantic Link Labs

A few weeks ago I wrote about how Semantic Link Labs now has tools with interactive UIs and showed how you could use this to view lineage and so Vertipaq-Analyzer-stuff in a notebook. I didn’t show ...
Chris Webb's BI Blog

Find What Changed And When In Your Power BI Semantic Model

Many of the DAX INFO functions, which allow you to query semantic model metadata, have a ModifiedTime column which tells you ...
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Choosing A Power BI Storage Mode For Reporting On Data From Azure Databricks

In case you haven’t already seen the blog post on the Power BI blog or the discussion on LinkedIn, we at Microsoft published a new white paper last week to help you decide which storage mode to use ...
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Referencing Images And Other Files In Power BI Reports Using OneLake URLs

Several years ago I wrote a very popular blog post about how to store images for your reports inside your Power BI semantic model. It solved the problem of how you could use display images (for ...
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Tools With Interactive UIs In Fabric Notebooks With Semantic Link Labs

There’s so much going on in the Fabric community that it can be hard to keep up with it all. Semantic Link Labs is a great example: in the six months or so since I last had a proper look at it my ...
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Displaying The Output Of Detail Rows Expressions In Power BI Reports Using The Paginated Report Visual

In last week’s post I mentioned that while Power BI reports (unlike Excel PivotTables) do not support the Detail Rows Expression feature, it is possible to partially work around this limitation by ...
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Using Detail Rows Expressions To Drill To A Different Fact Table In Power BI

If you have a DirectQuery fact table in Power BI you can use user-defined aggregations to improve query performance; querying a smaller, summarised copy of your data in an Import mode aggregation ...
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Analysing Power BI Data Using Copilot In Excel

This week there was another big Copilot-related announcement for Power BI – but on the Excel blog. You can now analyse data from Power BI semantic models using ...
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Understanding The “You’ve Exceeded The Capacity Limit For Dataset Refreshes” Error in Power BI

If you have a lot of Power BI semantic models that are scheduled to refresh at the same time in the Service then you may find that some of them fail with the following error: You’ve exceeded the ...
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Generating Sample Data In Fabric Dataflows With FabricAI.Prompt()

Back in December the FabricAI.Prompt() M function was released in Fabric Dataflows Gen2. Most of the people writing about it at that time, as in this great post by my colleague Sandeep Pawar, focused ...
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Role-Playing Dimensions In Fabric Direct Lake Semantic Models Revisited

Back in September 2024 I wrote a blog post on how to create multiple copies of the same dimension in a Direct Lake semantic model without creating copies of the underlying Delta table. Not long after ...