In this article, we are going to discuss how to upgrade Oracle 11g (18.104.22.168) to 19c (22.214.171.124) manually. Follow me step by step carefully. Start upgrade 11g to 19c manually. Source Environment. About Source Details OS Details Redhat Linux 7.6 (64 bit) Oracle Database version 126.96.36.199 Database Name OCP ORACLE_HOME path /u01/app/oracle/product/188.8.131.52/dbhome_1 Target Environment. About … Read more How to upgrade 11g to 19c manually?