built-in
The built-in InnoDB storage engine within MariaDB is the original form of distribution for the storage engine. Contrast with the InnoDB Plugin. Starting with MariaDB 5.5, the InnoDB Plugin is merged back into the MariaDB code base as the built-in InnoDB storage engine (known as InnoDB 1.1).
This distinction is important mainly in MariaDB 5.1, where a feature or bug fix might apply to the InnoDB Plugin but not the built-in InnoDB, or vice versa.
See also InnoDB.
See also plugin.