Forum Discussion
chefe
Helper II
8 years agoPower Query M: 1 query, twice referenced => data loading three times?!
Hello, I'm importing a folder of text files. The combined contents are stored in "F" file. I then reference F two times and apply a different filter to each with F1 and F2. Now, when refres...
v-xjiin-msft
Solution Sage
8 years agoHi chefe,
To improve the performance of referencing table, you need to buffer your table. Like: Table.Buffer(YourTable). After adding the Table.Buffer, when your refresh your reference, it will not access the database again.
For more details, please refer:
https://blog.crossjoin.co.uk/2016/11/20/referenced-queries-and-caching-in-power-bi-and-power-query/
Thanks,
Xi Jin.
SebSchoon1
Post Patron
3 years agoHello, does it work if the query has been made of table combined of 12 files of around 300 mega each?