Amazon Aurora vs Microsoft SQL Server

Amazon Aurora is a MySQL and PostgreSQL-compatible relational database service built for the cloud, offered as part of Amazon Web Services. It provides up to five times the throughput of standard MySQL and three times that of PostgreSQL with automatic scaling, replication, and backup.

Microsoft SQL Server is enterprise relational database from Microsoft with deep integration into the Windows and Azure ecosystem. It provides comprehensive features for databases workflows. The tool is actively maintained with regular updates and strong community/vendor support.