Using Detail Rows Expressions To Drill To A Different Fact Table In Power BI

If you have a DirectQuery fact table in Power BI you can use user-defined aggregations to improve query performance; querying a smaller, summarised copy of your data in an Import mode aggregation table is always going to be faster than querying a large fact table containing all your detail data that is in DirectQuery mode. Continue reading Using Detail Rows Expressions To Drill To A Different Fact…