Forum Discussion
jct999
Advocate II
4 years agoDirectQuery + composite model : What can be done ?
Hello I'm going to build the following composite data model: From 2 fact tables: Fact_Table_1: Storage mode = DirectQuery, more than 10M rows Fact_Table_2: Storage mode = Import, 1K lines Crea...
lbendlin
Super User
4 years agoWhen you do the UNION you are creating a new calculated table in memory, which will not be very different from having both of your fact sources in Import Mode. Not sure that is even possible.
Have you considered using Aggregations instead?