Data Studio v2.0 - Union multiple Files


I am loading over 15 data sources and once l format and validate, will need to union them all together to drive a single view of customer.

The function union in transformation only allows 2 files at a time

I use to do this via a script

Is there anyway to union multiple files?




  • Clinton JonesClinton Jones Administrator

    Hi @Carolyn there is an intention to support union of more than two objects, for now the approach is to use multiple union steps like so:

  • CarolynCarolyn Contributor


    Thank you, this is how l did it. I was hoping a better way

    Appreciate you replying promptly


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