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Power Query

  • Learning through ‘Unconventional’ Power BI Projects

    Learning through ‘Unconventional’ Power BI ProjectsJuly 1st, 2024 in Blog, DAX, Just For Fun, Power BI, Power Query

    When we think of Power BI projects we typically think of solving business problems through creating insightful analytical reports and dashboards, Power BI is fantastic for this. However, when trying to expand your knowledge on the functionality of Power BI, I have found it incredibly useful to think outside of the scope of these types of project and explore other ways to use it. In this blog I will show an example of an unconventional Power BI…

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  • Combining Queries from Multiple Sources in Power BI using Merge and Append

    March 1st, 2022 in Azure, Blog, Business Intelligence, Power BI, Power Query, SQL Server, Uncategorized

    It is always good practice to do as much data preparation as close to the sources as you can before importing or connecting them to your Power BI reports, but what if there are circumstances where this isn’t possible? I had an issue recently where a third-party application had been updated and both the new and legacy versions were being used side-by-side. Logging data from both versions was being written to two separate Azure SQL databases.…

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  • Replicating SQL windowing functions in Power Query.

    October 1st, 2021 in Blog, Power BI, Power Query

    I’m sure you’ve all heard of windowing functions in SQL Server? But what if you need to replicate these windowing functions in Power Query? Here I have a sample CarSales.csv dataset of car sales per brand, per year, per month and the number of units sold. I will use this dataset to demonstrate how we can replicate the windowing LAG function in Power Query. In my example I’d like to calculate the month on month sales growth per car…

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