Upgrade Oracle Database from 11.2.0.4 to 12.2.0.1 using DBUA Table of Contents ___________________________________________________________________________________________________ 1. Environment PRE-UPGRADE TASKS 2. Run preupgrade script 3. View Preupgrade log 4. Remove the EM repository 5. Remove OLAP Catalog 6. Update INITIALIZATION PARAMETERS 7. Gather DICTIONARY STATS 8. Purge Recyclebin 9. Refresh MVs 10. Run preupgrade_fixups.sql 11. Verify archive log … Continue reading Upgrade DB using DBUA from 11.2.0.4 to 12.2.0.1