Debugging DAX – GuyInACube Video
Last time I was in Seattle, I was lucky enough to do a short video with the famous GuyInACube showing a useful technique I use when debugging DAX in Power BI. I hope you find it useful.
Category: Performance
DAX Fusion
Introduction: Around 2014, an enhancement was made to the DAX engine designed to help improve query speed. The enhancement, called DAX Fusion, looks to reduce the number of storage engine scans needed to satisfy queries, by combining similar scans where possible. This optimisation feature exists in Power BI, so can be used to help speed … Continue reading DAX Fusion
Tip to speed up Direct Query
This is not so much a DAX tip, rather something you might consider if you want to speed up the performance of any Direct Query (DQ) model you manage in Power BI or Analysis Services. The simple tip is to set relationships to use INNER JOIN rather than LEFT OUTER JOIN in the model. Once … Continue reading Tip to speed up Direct Query