magarity kerns (2/25/2010)
No, I've never had a problem with using md5. I'm inspired to write my own article on how to use md5 in an update/insert strategy for loading data warehouses if I can get Steve the admin to accept it.
By all means, please write away. We currently truncate and replace, but would be extremely interested in a more incremental strategy. For example, my understanding is BIDS Slowly Changing Dimension transformation is a performance hound for large tables.