Finding rows that are in one table, but not the other is one of the most common scenarios happening in any data related applications. You may have customer records coming from two sources, and want to find data rows that exist in one, but not the other. In Power Query, you can use Merge to Read more about Find Mismatch Rows with Power Query in Power BI[…]
I work with Power Query transformations every day these days, and I want to share one simple, but critical caution with you. If you use Power Query a lot, this tip can improve the performance of your transformation significantly. The number of steps that you add in a query counts in the performance of your Read more about Watch Your Steps! Power Query Performance Caution for Power BI[…]
Sometimes for tables with too many columns, and also for databases with too many tables, you do need a bit of help to explore the data. As an example; you know that you are looking for a column named “account status”, but the column does not exists in the accounts table. You need to search Read more about Search for a Column in the Entire Database with Table.ColumnNames in Power Query and Power BI[…]
I normally work with most of the Microsoft tools for the aim of doing machine learning. I came up with a roadmap that shows what option for machine learning we have with Microsoft tools in Data Platform. this roadmap is not completed yet, I need to update it one later with some tools such azure Read more about Road Map to use Microsoft ML tools[…]
If you work for an organisation that stores thumbnail images of staff inside Active Directory, you can probably access these and incorporate the images in your Power BI Reports. This is a great way of making an internal staff report look fantastic – and it’s easy! Step 1. Click Get Data from the Home tab Read more about Add Photos to Power BI from Active Directory[…]
Previous versions of Power BI Helper had some features related to the visualization part and the modelling part of a Power BI file. This latest release of Power BI helper, can export the entire M or Power Query script into a file or into clipboard. Sometimes, especially when the number of queries in the Power Read more about Export the Entire M Power Query Script from a Power BI File, New Version of Power BI Helper, Search based on Field Description in the Model[…]
In the last post, I have explained how we can create a function with the aim of parametrising the machine learning process. In this post, I am going to explain how we able to create a Development and Production environment. Create Different Environment in Power Query to create a new environment, In power query, I Read more about Creating Machine learning Development and Production Environment in Power BI-Part2[…]
There are a number of List transformations available in Power Query’s graphical interface. However, the number of functions in the graphical interface is very limited. In this post, I’m going to explain about a function that is really powerful and is not yet listed in the graphical interface. List.Accumulate is a function that loops through Read more about List.Accumulate Hidden Gem of Power Query List Functions in Power BI[…]
A couple of months ago, I’ve written a blog post about Basics of M and explained few basics about this language. In this post, I’m going to the next step and will explain few other structure definitions in this language. In this post, you will learn about Tables, Records, Lists, and how to navigate through Read more about Basics of Value Structures in M – Power Query Formula Language[…]
In last two steps you learned how you can create a date dimension that has calendar columns, and fiscal columns. In this step we are going to look at how Power Query can be leveraged to fetch public holidays live from APIs, and add that information into the date dimension. This step shows the importance Read more about Create a Date Dimension in Power BI in 4 Steps – Step 3: Public Holidays[…]