PostgreSQL Versus MariaDB Versus MySQL in Azure

 

PaaS offering 

MariaDB

When MYSQL was acquired  by Oracle in 2009, a copy of MYSQL was made and developed further as MariaDB. It is optimized to improve performance. It has built in support for temporal data, free and open source.

Azure Database for MariaDB is Paas for MariaDB database engine

PostgreSQL

Migrate to Azure

Using Azure Database Migration Service (DMS) enables to restore backup of on-premises databases directly to databases running in Azure Data Services

Replication from an on-premises database is possible.