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Minimizing downtime for Container and Pluggable Database (CDB and PDB) Upgrades

Oracle 12c Release 2 introduced a number of new features which would help reduce outages required for database upgrades. Multitenancy feature was introduced in Oracle 12.1 and these features introduced in Oracle 12.2 would help significantly in not only reducing the overall duration required for a database upgrade, but also in managing and having more […]

How to perform an Oracle 18c Container and Pluggable Database upgrade using dbupgrade

Shutdown the 12c Release 2 CDB and PDBs   [oracle@host02 bin]$ sqlplus sys as sysdba Connected to: Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 – 64bit Production SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ———- —————————— ———- ———- 2 PDB$SEED READ ONLY NO 3 PDB1 READ WRITE NO 4 PDB2 READ WRITE NO SQL> […]

Minimal Downtime Cross Platform Migration and 12c Database Upgrade using Data Guard

This note describes the procedure used to perform a minimal downtime platform migration from Windows to Linux as well as a database upgrade from Oracle 11.2.0.4 to Oracle 12c (12.1.0.2). We create a Data Guard physical standby database using the DUPLICATE FROM ACTIVE DATABASE feature, followed by a switchover and then we activate the standby […]

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