This post will go through the steps to upgrade single database instance from 12.1 to 12.2 with ASM on CDB environment. Both GI and Oracle database software’s are installed under one user as oracle.
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Database upgrade to 126.96.36.199 of a 188.8.131.52 cloned database will generate the “ORA-00001:Unique Constraint” error. “ORA-00001” occurred when updates the sys.I_DAM_LAST_ARCH_TS$ table at PDB level. See below screen shot.
Oracle 12.2 version has a lot of new features and this blog will highlight datapump enhancements in 12.2 release.
When we try to duplicate the oracle 184.108.40.206 database using RMAN , its corrupting temp files. The error is as below