A good article but do not have ref. to latest development supporting anyDB ( Business Suite ) along with S4 for all Innovations..
https://blogs.sap.com/2018/02/09/abap-core-data-services-on-anydb-best-practice-guide/
check the above . It seem...
Yes very much true. we can remain in ECC and get all the Innovations available in S4 on the Suite on AnyDB
https://blogs.sap.com/2018/02/09/abap-core-data-services-on-anydb-best-practice-guide/
I think SAP is quietly supporting anyDB at least the Db2 11.1.3.3 they have released extensive CDS Support. and i thing what ever available as S4HANA ABAP features on HANA 2.0 is there on CDS anywhere . as CDS is the base for the FIORI apps in the S4...