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article –

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

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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

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Different types of many-to-many relationships in Power BI

The introduction of the weak relationships in Power BI composite models enables new data modeling techniques. However, not all of the many-to-many relationships can be managed by using weak relationship. The “classical” many-to-many relationships in data warehouse is a design…  Watch now

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Understanding relationships in Power BI

Relationships are the foundation of any Power BI or Analysis Services Tabular data model with multiple entities. At first sight, this is a trivial concept, especially if one has a knowledge of relational data modeling. However, the ability to create…  Watch now

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DAX error messages in Power BI

This article describes the real meaning of and the required action for a few common error messages that can appear when users define DAX expressions in Power BI.  Read more