https://help.sap.com/doc/08eeec370cb24f72bbf11acb27f26497/12.1/en-US/Ora_DB_Upgr_UX_121_02.pdf2017-12-19https://help.sap.com/doc/73bb656b57d047f2b6cd4222515180c0/12.1/en-US/Ora_DB_Upgr_Win_121_01.pdf2017-12-19