‎2019 Mar 04 7:15 PM
Is it true that SQL written on HANA system is Open SQL and always executed on the database, while the SQL written in ECC system is not ABAP SQL and executed on application server? Please clarify.
‎2019 Mar 04 9:02 PM
No. It is not true. It's complete twaddle. Where did you hear such nonsense?
‎2019 Mar 05 1:13 AM
I think you may should read about it first:
https://help.sap.com/doc/abapdocu_751_index_htm/7.51/en-US/abenabap_hana.htm