Oracle updating dating manipulatio
In all other cases, you must modify the DB instance manually to perform a minor version upgrade. The time for the outage varies based on your engine version and the size of your DB instance.For information about what Oracle versions are available on Amazon RDS, see Oracle Database Engine Release Notes.In general, a major engine version upgrade can introduce changes that are not compatible with existing applications.In contrast, a minor version upgrade includes only changes that are backward-compatible with existing applications.Amazon RDS takes two DB snapshots during the upgrade process.The first DB snapshot is of the DB instance before any upgrade changes have been made.
However, a major version upgrade from Oracle version 188.8.131.52.v14 to Oracle version 184.108.40.206.v9 isn't supported.
To perform a major version upgrade, modify the DB instance manually. In some cases, your current Oracle DB instance might be running on a DB instance class that isn't supported for the version to which you are upgrading.
In such a case, you must migrate the DB instance to a supported DB instance class before you upgrade.
This is because Oracle version 220.127.116.11.v14 was released in October 2017, and Oracle version 18.104.22.168.v9 was released in July 2017.
For information about the release date for each Oracle PSU, see Oracle Database Engine Release Notes.
Search for oracle updating:
In those cases, you must specify a new option group when you upgrade.