Hi @shikoulitz    You can find this information in the SAS Systems Requirements. I have created a SAS Communities article to help guide people through the process. https://communities.sas.com/t5/SAS-Communities-Library/An-Insider-s-Guide-to-SAS-and-Database-Support-Information/ta-p/597707   Here is the Systems Requirements doc for ZOS. https://support.sas.com/documentation/installcenter/en/ikfdtnmvssr/66198/PDF/default/sreq.pdf   The answer to your question is "yes" it is still supported. Not sure about the recommended portion of your question, but if you need to access Oracle from the mainframe I would recommend it.   Best wishes, Jeff ... View more