To Not Data Warehouse - Connect Your PowerBI and Build Reports
Excellent for speedy simple reports
Great for small parallel data sets where different reports development is required
Complex reports are expensive to build from different data sources. There is impact on data refresh and reporting performance
Time saved initially will be spent in repeated testing as everything needs to be tested in a new dataset when there are new data points
Multiple versions of the truths across multiple datasets can cause user frustrations as different insights will be presented
To Data Warehouse - Connect Your PowerBI to an Integrated Data Warehouse to Build Reports
Simplifies the complexity and number of PowerBI datasets. Measures are pre-calculated and not done at run time
Reduces load on PowerBI Service and refresh failures are reduced
Able to support time-based analysis with changing dimensions (Example, what was this part's name 2 years ago and did its category change over time?)
Single version of truth
Adding new data points and new data sources is easy
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