Dany Hoter makes a connection:
You may have more than one ADX database and probably more than one ADX cluster.
In some cases, you want to join tables or functions from more than one database/cluster.
In this article you’ll see how to make sure that such joins are folded and sent to the ADX backend instead of executing at the level of the Power Query mashup engine.
Everything mentioned here is applicable to Azure Data Explorer, Synapse Data Explorer, and Fabric RTA.
Read on for the two examples.z