Upgrade 2 Node RAC Oracle Database from 12c to 19c using DBUA

Pre-Upgrade Tasks 1. Execute preupgrade script and resolve error and perform all actions mentioned in log /u101/app/oracle/12cR1/product/db_12c/jdk/bin/java -jar /u101/app/oracle/19CH/product/db_home/rdbms/admin/preupgrade.jar TERMINAL TEXT select object_name, original_name, type, can_undrop as "UND", can_purge as "PUR", droptime from recyclebin; PURGE DBA_RECYCLEBIN; select count(*) from recyclebin; rman target /list archivelog all;delete archivelog all;crosscheck archivelog all; set linesize 500col NAME for a50select name, ROUND(SPACE_LIMIT/1024/1024/1024,2) "Allocated Space(GB)",round(SPACE_USED/1024/1024/1024,2) …