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article –

The importance of star schemas in Power BI

Creating a star schema in Power BI is the best practice to improve performance and more importantly, to ensure accurate results! This article shows why a star schema can fix some of the issues in your report.  Read more

video –

My Power BI Report is Slow – What Should I Do?

In this session, Marco Russo will guide you in analyzing the possible reasons for a slow Power BI report. By using Task Manager and DAX Studio, you will be able to determine whether you should change the report layout, or…  Watch now

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Syncing slicers in Power BI

The June 2019 update of Power BI includes the ability to filter slicer items based on a measure. This article explains why this is an important feature that should replace bidirectional filters used for the same purpose.  Read more

blog post –

Uncertified connectors message in Power BI Desktop

I recently had an issue in Power BI Desktop that started to display the error message “Uncertified Connectors”. What was really strange is that Power BI was not trusting… Power BI itself! I am not sure whether this started after…  Read more

video –

Aggregations in Power BI

Aggregations have been introduced in 2018 in Power BI, as an optimization technique to manage large tables. By providing pre-aggregated tables, you can highly improve the performance of a Tabular data model. In this session we introduce the concept of…  Watch now