Sure - as I said, these are pretty complex transformation queries for loading a "search" mart, so there is a lot going on here. I think the file names...

For my issue I actually did try with and without a clustered PK. It didn't actually have any impact. What DID work was simplifying what was a very...

Did you ever make any progress on this? I'm running into exactly the same issue with a query today. Except mine is a bit more dramatic - the...