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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> […]

Upgrading from Oracle 11gR2 to Oracle 12c using Full Transportable Export and Import

The Transportable Tablespace (TTS) feature was introduced in Oracle 8i and the Cross-Platform Transportable Tablespace (XTTS) feature was introduced in Oracle 10g. Since it only involved the copy of the data files of the tablespace at the OS level and the copy (and maybe conversion) of the data files over the network, it was potentially […]

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