Preparing to upgrade

Upgrading occurs the first time the new Derby software connects to the old database. Before connecting with the new software:

Back up your database to a safe location using Derby online/offline backup procedures. For more information on backup, see the Derby Server and Administration Guide. If you do not perform a soft upgrade, then once the database is upgraded, it cannot be reverted back to the previous version.
Related tasks
Upgrading a database
Soft upgrade