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HxH
Advocate II
Advocate II

Avoiding data reload when applying Power Query changes

‎08-26-2019 01:43 AM

Hi everyone, 

I'm fairly new to working with Power Query so I'm currently trying to learn how to use it and how to use best practices to work efficiently. My current problem is that I have a table with 1,5 million rows and I have to work back and forth from Power Query to filter some data, test it in PBI with some measures, then go back and unfilter/filter some other data, test it in PBI with some measures and so on. 

My question is: is there a way I could work back and forth from PQ without reloading all my data everytime? Being 1.5M rows, I waste 3-4 minutes everytime. 

I know I can create a temporary view in SQL and load just a small subset of rows to be faster, but out curiosity and interest in how to work with Power Query I would like to know if I can do something similar without relying on SQL

Thanks

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ImkeF
Community Champion
Community Champion

‎08-26-2019 07:41 AM

Hi @HxH ,

this is what I use: https://www.thebiccountant.com/2016/11/08/speed-powerbi-power-query-design-process/ 

Imke Feldmann (The BIccountant)

If you liked my solution, please give it a thumbs up. And if I did answer your question, please mark this post as a solution. Thanks!

How to integrate M-code into your solution -- How to get your questions answered quickly -- How to provide sample data -- Check out more PBI- learning resources here -- Performance Tipps for M-queries

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Message 2 of 3
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ImkeF
Community Champion
Community Champion

‎08-26-2019 07:41 AM

Hi @HxH ,

this is what I use: https://www.thebiccountant.com/2016/11/08/speed-powerbi-power-query-design-process/ 

Imke Feldmann (The BIccountant)

If you liked my solution, please give it a thumbs up. And if I did answer your question, please mark this post as a solution. Thanks!

How to integrate M-code into your solution -- How to get your questions answered quickly -- How to provide sample data -- Check out more PBI- learning resources here -- Performance Tipps for M-queries

Message 2 of 3
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HxH
Advocate II
Advocate II
In response to ImkeF

‎08-26-2019 08:06 AM

I'll try it out! Thanks

Message 3 of 3
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