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Last week I had an interesting discussion with my friend and co-organizer of the Power BI User Group Switzerland, Kristian Bubalo. The question was whether it is possible to persist temporarily available data using only Power BI on-board tools and surprisingly, we discovered an extremely viable solution. As a more specific example, we had the discussion about data that is called via REST API and is only available for a certain period of time. For this article, I will use the data of the Power BI Activity Log as an example, which only provides the rolling values of the last 30 days for download.
Materialization of data requires query folding for incremental refresh
To materialize such data within