Oracle recently released its April 2021 Release Update for 12cR2 (Patch 32507738). This post is to cover patching of Oracle 12cR2 database with this latest RU. (For 19.11 RU please read How to Apply Release Update 19.11.0.0.0 (Patch 32545013)).   Step-1: Install Latest OPatch First Step of Any Patching Process is to download and install…