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New Member


I want to keep the data from the previous 3 refreshes and just add the current data (The report is scheduled to run once a week - so essentially one month of data). I want to plot this on a graph to show the trend, but can't seem to get it to work?

Community Support
Community Support


Power BI is an Interactive Data Visualization BI Tool, gather data together to display it with visualizations. Your requirement is more about store data in like a database, I am afraid it cannot be received using Power BI.



Paul Zheng _ Community Support Team
If this post helps, please Accept it as the solution to help the other members find it more quickly.

Super User
Super User

So if you are talking about refreshing a pbix file on Power BI Report Server - which is the on-prem install. Then this is not possible as data refreshes on that platform are always a full refresh so you would have to setup your data model to pull in the whole month at once.


If you are actually publishing you model to then you would still have to configure your model to pull in the whole data set, but you can use incremental refresh policies to limit the data that is refreshed so that it pulls in 7 days at a time and keeps a rolling 28 days. see 

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