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Optimising The Performance Of Power Query Merges In Power BI, Part 3: Table.Join And SortMerge

When you merge data from two queries in the Power Query Editor the M code generated uses the Table.NestedJoin function. There is, however, another M function that can be used to merge data: Table.Join. The interesting thing about this function is that has a parameter that…

17 June 2020

Dynamics NAV & BC Tips & tricks

Quick tip: How do I use table information in Power BI?

Recently Microsoft added the Table Information page to Business Central. See here. And underlying are these objects: Table Information (8700, List) Table Information (2000000028) So I was thinking, hey let’s use this in Power BI. Source : Think about IT Read more...

1 June 2020

Data & Analysis

Monitoring Power Query Memory Usage With Query Diagnostics In Power BI

In the April release of Power BI Desktop the Power Query Query Diagnostics feature was enhanced so that you can now return performance counter data. As the blog post says: When you run performance counters, every half second Power Query will take a snapshot of resource…

28 May 2020

Data & Analysis

Speed Up Data Refresh Performance In Power BI Desktop Using Table.View

It can sometimes be frustrating to work with slow data sources or complex Power Query queries in Power BI Desktop: you open the Power Query Editor, make some changes, click Close & Apply and then wait a loooong time for your data to refresh. Source :…

20 May 2020

Data & Analysis

Five Mistakes To Avoid When Migrating To Power BI From Another BI Platform

Now that Power BI is so popular, it’s becoming more and more common for organisations to migrate their reports from other BI platforms to Power BI. And why not? You’ll be moving to a modern, industry-leading, cloud-native BI platform and probably saving a lot of money…

29 April 2020

Data & Analysis

Keep The Existing Data In Your Power BI Dataset And Add New Data To It Using Incremental Refresh

Power BI incremental refresh is a very powerful feature and now it’s available in Shared capacity (not just Premium) everyone can use it. It’s designed for scenarios where you have a data warehouse running on a relational database but with a little thought you can make…

22 April 2020

Data & Analysis

Adding Semesters to a Calendar in Power BI

I have delivered Power BI training at a number of universities over the last 6 months, and a few of the participants asked me the same question. “What is the best way to add semesters to a calendar so that they can analyse student data by…

16 April 2020