Simple SQL query that runs 7 seconds in SQL takes 19 minutes(!) to validate in Dataflows 19 minutes!!!??? Not just one query. I've tried SQL Server and PostgreSQL - the time it takes to Validate i...
Another +1 on this. Validating a dataflow that reads few excel files from Sharepoint online w/ maybe 700 rows total has so far taken over 45 minutes. It was always on the slow side - but this is really beyond slow. As otheres have said - not usable.