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Super User VI
Super User VI

Re: Why is Power BI SO SLOW?!?

A duplicate creates a separate copy. Changes made to the original no longer work in the copy.

A reference creates a link. Changes to the original also affect the referenced query.

Neither impact the utility of a Star Schema. They are just how you get there. You want the most efficient way possible. I rely a lot on references and less so on duplicates, but that doesn't mean references are better. I think they are better for the places I use them in. But I will use the duplicate feature for some models.



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DAX is for Analysis. Power Query is for Data Modeling


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Helper IV
Helper IV

Re: Why is Power BI SO SLOW?!?

Thank you for your answers. It gave me a good overall view of how PBI works under the hood. I definitely need to learn more about it, but better late than never I suppose 🙂

I will take your tips into my current and future projects. If you have any other tips, feel free to share! Thanks again.

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Super User VI
Super User VI

Re: Why is Power BI SO SLOW?!?

Glad I was able to help, at least with some understanding of what is happening @Gjakova 

Best wishes on your project.

 



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DAX is for Analysis. Power Query is for Data Modeling


Proud to be a Super User!

MCSA: BI Reporting

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