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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 […]

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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