It is absolutely a valuable feature to be able to update your data warehouse one-row-at-a-time, but this feature has to be weighed alongside all the other featu

It is absolutely a valuable feature to be able to update your data warehouse one-row-at-a-time, but this feature has to be weighed alongside all the other features. Also, the best commercial data warehouses are quite good at keeping up with small batches, so you can potentially run a "batch" data pipeline every minute or so, and get a "nearly-real-time" data warehouse in a conventional columnar design.