Forum Discussion
Slow data refresh
Hi, Normally my power bi file takes about 5 minutes to refresh, but now it it taking at least 30 minutes (and counting). I noticed that the refresh screen is saying that it has (currently) read s...
Hi Gazzer I merged a query and expanded one column (i.e. I effectively did a vlookup from one table into another to populate one column). But I don't see why that would cause 20 million rows (and counting) to be read for a table that is only about 115,000 rows?
What was the join type?
Left outer?
Full outer?
Something else?