Oracle compatibility: PL/SQL compatibility parser; Sequences; INTERSECT and EXCEPT to complement UNION; New ROW type and TYPE OF stored functions; and Invisible Columns.

Temporal data processing: System versioned tables, to allow querying of past and present states of the database.

Flexibility: User-defined aggregates; storage-independent column compression; and proxy protocol support, allowing the proxy to relay the client IP address to the server.

Manageability: Instant ADD COLUMN operations; and fast-fail Data Definition Language (DDL) operations.

To learn more about Amazon RDS for MariaDB 10.3 and how to upgrade your database instances, please refer to the Amazon RDS User Guide. Launch a new Amazon RDS for MariaDB 10.3 database instance or upgrade your current instance with just a few clicks in the AWS Management Console.