PostgreSQL

Another system of relational databases and SQL dialect, next to MySQL and SQLite. It has been in the making for 20 years, largely thanks to the broad community that contributed to its high level of accuracy and integrity. It supports advanced data types while maintaining high performance. PostgreSQL supports Amazon Web Services through a fully managed Amazon Relational Database Service (RDS), which facilitates configuring, maintaining, and scaling PostgreSQL deployments in the cloud. Amazon also offers its AuroraDB engine, fully compatible with PostgreSQL-based applications. It is most popular among the Python web developer community.