Azure Database for PostgreSQL – Flexible Server provides maximum flexibility over your database, built-in cost-optimization controls, and support for latest PostgreSQL major versions compared to Single Server. You typically must perform manual migrations using PostgreSQL dump and restore or using Azure Database Migration Service. The new migration tool (available in select regions) includes a seamless, inline experience to migrate your Single Server to Flexible Server and has automated a number of steps required for migration. It supports online and offline modes of migrations, and suitable for databases less than 1TB size.
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