Optimize SUMMARIZE with ADDCOLUMNS in Dax #ssas #tabular #dax #powerpivot
- by Marco Russo (SQLBI)
If you started using DAX as a query language, you might have encountered some performance issues by using SUMMARIZE. The problem is related to the calculation you put in the SUMMARIZE, by adding what are called extension columns, which compute their value within a filter context defined by the rows considered in the group that the SUMMARIZE uses to…