UNINSTALL PLUGIN example;
ERROR HY000: Plugin 'example' is force_plus_permanent and can not be unloaded
SELECT PLUGIN_NAME, PLUGIN_STATUS, LOAD_OPTION FROM INFORMATION_SCHEMA.PLUGINS
WHERE PLUGIN_NAME IN ('MyISAM', 'EXAMPLE');
PLUGIN_NAME	PLUGIN_STATUS	LOAD_OPTION
MyISAM	ACTIVE	FORCE
EXAMPLE	ACTIVE	FORCE_PLUS_PERMANENT