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Power BI – Dynamic TopN + Others with Drill-Down
A very common requirement in reporting is to show the Top N items (products, regions, customers, …) and this can also be achieved in Power BI quite easily. But lets start from the beginning and show...
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Data Virtualization in Microsoft Power BI
Data Virtualization is actually a very new topic to me as I have barely seen it implemented in the real world or at any of my customers. But it becomes more and more interesting when working with big...
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Data Virtualization in Microsoft Power BI – Part 2
In my previous post I showed how you can use Microsoft Power BI to create a Data Virtualization layer on top of multiple relational data sources querying them all at the same time through one common...
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Azure Data Factory, dynamic JSON and Key Vault references
Paul Andrews (b, t) recently blogged about HOW TO USE ‘SPECIFY DYNAMIC CONTENTS IN JSON FORMAT’ IN AZURE DATA FACTORY LINKED SERVICES. He shows how you can modify the JSON of a given Azure Data...
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Connecting Power BI to Azure Databricks
I work a lot with Azure Databricks and a topic that always comes up is reporting on top of the data that is processed with Databricks. Even though notebooks offer some great ways to visualize data for...
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PowerBI & Big Data – Using pre-calculated Aggregations of Semi- and...
Calculating and visualizing semi- and non-additive measures like distinct count in Power BI is usually not a big deal. However, things can become challenging if your data volume grows and exceeds the...
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Reading Delta Lake Tables natively in PowerBI
Working with analytical data platforms and big data on a daily basis, I was quite happy when Microsoft finally announced a connector for Parquet files back in November 2020. The Parquet file format is...
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Custom functions and complex return types in Power Query
When working with Power Query, you have probably already realized that every expression you write returns a value of a specific type. Usually this will be a primitive type like text, number, or date....
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Doing relative-time Slicers properly in Power BI
A very common requirement for a Power BI report that I stumble across at almost all of my customers is to automatically show data for the current day/month/year when a report is opened. At first sight...
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Automating the Extraction of BIM metadata from PBIX Files using CI/CD pipelines
The latest updates can always be found in thePowerBI.CICD repository In the past I have been working on a lot of different Power BI projects and it has always been (and still is) a pain when it comes...
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