Published a blog post about the pitfalls of using Core Data Service Views (CDS Views) on any DB
Link (SAP Community): https://blogs.sap.com/2016/11/22/cds-views-oh-behave-on-anydb/
Link (SAP Community): https://blogs.sap.com/2016/11/22/cds-views-oh-behave-on-anydb/