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 […]
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 […]
This note describes the procedure used to perform a rolling database upgrade from 11.2.0.3 to Oracle 12c Release 1 using a Data Guard physical standby database and transient logical standby database. The average time to perform a database upgrade would be in the region of one to two hours and for many organizations even that […]
