This document summarizes using Oracle Cloud Control 12c to perform a multiple database upgrade from Oracle 11.2.0.4 to 12.1.0.2. The database provisioning features of OEM12c allow upgrading multiple databases simultaneously in parallel. The process selects the databases to upgrade, configures new listeners, inserts a breakpoint to review and troubleshoot, then resumes and monitors the upgrade process. Validation checks the upgrade results to confirm both databases were upgraded to 12.1.0.2 successfully.