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Query folding to improve Power Query /BI performance

Query Folding allows Power Query to push some of the transformations back to the database and that way query and return the data more efficiently.
Let’s go into more detail in this video:

Watch the tutorial:

Query folding to improve Power BI performance

Links to the mentioned resources

Other important links:
https://www.mssqltips.com/sqlservertip/3635/query-folding-in-power-query-to-improve-performance/ Chris Webb blog:
https://blog.crossjoin.co.uk/2017/06/11/query-folding-and-writing-your-own-sql-queries-in-power-querypower-biexcel-get-transform/

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