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Nov 7, 2016 · Databases

Zero‑Downtime Oracle MAA Upgrade: From 11gR2 to 12c Using Transient Logical Standby

This guide walks through upgrading an Oracle MAA environment from 11.2.0.4 to 12.1.0.2 with no front‑end service interruption, covering environment overview, two Data Guard switchover cycles, transient logical standby conversion, rolling patch execution with physru.sh, and post‑upgrade cleanup steps.