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dhannaa Member
Member

Query from large set of data, old data doesn't have to be updated

Hi all,

 

I have a large set of data with stock movements. As I refresh my document, there is no reason for all the data to be downloaded for new as old stock movements haven't changed. 

 

What would be the best way to speed up the process and prevent old data to be refreshed for no reason?

 

(I am thinking of dividing my query into two pieces by dates and setting the old data to be excluded from refresh..)

 

Any ideas highly appreciated!

 

Jenny

 

 

1 ACCEPTED SOLUTION

Accepted Solutions
Super User IV
Super User IV

Re: Query from large set of data, old data doesn't have to be updated

That's a good plan, to the best of my knowledge Power BI does not currently support incremental refresh. You could create 2 queries that get the same data but for different date ranges and set one of them not to refresh. Then perhaps an Append query to combine them together into a single table. In theory, at some point in the future, create a third query, set the second query to not refresh, add to Append query, etc.


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2 REPLIES 2
Super User IV
Super User IV

Re: Query from large set of data, old data doesn't have to be updated

That's a good plan, to the best of my knowledge Power BI does not currently support incremental refresh. You could create 2 queries that get the same data but for different date ranges and set one of them not to refresh. Then perhaps an Append query to combine them together into a single table. In theory, at some point in the future, create a third query, set the second query to not refresh, add to Append query, etc.


I have book! Learn Power BI from Packt


Did I answer your question? Mark my post as a solution!

Proud to be a Datanaut!

View solution in original post

dhannaa Member
Member

Re: Query from large set of data, old data doesn't have to be updated

Thank you for response - exactly what I was thinking of:)


Jenny

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