一直很困惑MariaDB與MySQL版本的差異。今天從官網找到以下原文，供自己參考。

MariaDB 10.3 Series

MariaDB 10.3 is the current stable release of MariaDB. It is built on MariaDB 10.2 with new features not found anywhere else.

MariaDB 10.2 Series

MariaDB 10.2 is a stable release of MariaDB. It is built on MariaDB 10.1 with features from MySQL 5.6 & 5.7, and entirely new features not found anywhere else.

MariaDB 10.1 Series

MariaDB 10.1 a stable (GA) release of MariaDB. It is built on MariaDB 10.0 with features from MySQL 5.6 & 5.7, and entirely new features not found anywhere else.

MariaDB 10.0 Series

MariaDB 10.0 is a stable (GA) release of MariaDB. It is built on the MariaDB 5.5 series with backported features from MySQL 5.6 and entirely new features not found anywhere else.

MariaDB 5.5 Series

MariaDB 5.5 is a stable (GA) release of MariaDB. It is MariaDB 5.3 + MySQL 5.5.

See "What is MariaDB 5.5" for an overview of what is in MariaDB 5.5.