Data modelling and DAX
Introduction I recently wrote an article showing how you can visualise a dataset refresh using Power BI. It was a pretty cool way to show some of the internal workings of what otherwise is a black box. The idea from my earlier article uses SSMS Profiler to run a trace against a database hosted in … Continue reading Visualise your Power BI refresh – in real-time
Power BI doesn’t yet have a feature that allows end-users to turn on/off the ability to process calculations for visuals on a report page until they are ready. Most of the time, this is perfectly fine – however, in some instances, it can be handy to disable long-running and heavy calculations from running. At the … Continue reading Power BI – Pause/Resume calculations with Apply All feature
Have you ever wondered why a Power BI dataset refresh was taking so long? And more specifically, how much time did the refresh spend on various sub-tasks that aren’t that visible to you via the web-portal? This article shares a technique you can use to capture events fired during a Power BI refresh and use … Continue reading Visualise your Power BI Refresh
One approach to optimise DAX queries is to focus on the number of Storage Engine (SE) calls generated by a query and look for ways to provide the same result using fewer SE calls. If a query takes 30 seconds to run and makes hundreds of SE calls, reducing the number of SE calls almost … Continue reading DAX 1-Column Fusion
