I think that's more of an OLAP vs OLTP difference here. Say you're an international shipping company: you would be perfectly happy to have your analysts write

I think that's more of an OLAP vs OLTP difference here. Say you're an international shipping company: you would be perfectly happy to have your analysts write SELECTs versus your shipment database (or a replica), but you wouldn't want them writing the UPDATEs executed from field data.