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## Preparing to Upgrade

Oracle NoSQL Database supports upgrades from releases for the current year and prior few calendar years. For example, to upgrade a data store to the 24.x release, the data store must be running release 20.x or later. See Release Notes for specific information on the latest version of the software and the minimum older version needed for the upgrade.

Before beginning the upgrade process, create a backup of the store by making a snapshot. See Taking a Snapshot. During the upgrade process, you should not create any plans until the admin and managed services in the data store have been upgraded.

Plan to upgrade any application programs that use the Java Direct Driver after upgrading the service components. You need to re-link the application using the libraries of the new release of Oracle NoSQL Database.