What is MariaDB

- MariaDB is SQL DB, community-developed fork of MySQL.

MariaDB vs postgresQL

MariaDB PostgresSQL
Migration from MySQL Easy and compatible Not easy
Storage Engines Offers various storage engines, eg: ColumnStore for analytical processing (OLAP) Does not have engines
Thread Pooling MariaDB's built-in thread pool can efficiently handle a large number of concurrent connections, perform better than postgres No thread pool
Features Less wrt postgres More