Hi @Mike Sarafidis , welcome to Microsoft Q&A forum.
Rightly as per the article, using resource mover we can only move below resources as of now:
Also, as of now we cannot create a read replica from North Europe to Germany region.
However, we can create a backup of Azure MySQL on blob storage from one region and then restore it on another region. Please check the below article that has step by step description of the same:
Backup Azure Database for MySQL to a Blob Storage
Tips and Tricks in using mysqldump and mysql restore to Azure Database for MySQL
Also we can achieve the same using MySQL Workbench:
Migrate your MySQL database by using import and export
Please let us know if this helps or else we can discuss further on the same.
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