Step by Step Oracle Database Upgrade from 11g (11.2.0.4) to 12c (12.2.0.1)
Step by Step Oracle Database Upgrade from 11g (11.2.0.4) to 12c (12.2.0.1) using DBUA Here we are going to demonstrate step-by-step Oracle database upgrades from 11g (11.2.0.4) to 12c (12.2.0.1), same steps can be followed to upgrade to 12.1.0.2 as well. List of target upgrade versions from supported source version, data source support.oracle.com. Target DB