SHOW PLUGINS;SHOW PLUGINS displays information about installed plugins. The Library column indicates the plugin library - if it is NULL, the plugin is built-in and cannot be uninstalled.
The PLUGINS table in the information_schema database contains more detailed information.
For specific information about storage engines (a particular type of plugin), see the information_schema.ENGINES table and the SHOW ENGINES statement.
SHOW PLUGINS;
+----------------------------+----------+--------------------+-------------+---------+
| Name | Status | Type | Library | License |
+----------------------------+----------+--------------------+-------------+---------+
| binlog | ACTIVE | STORAGE ENGINE | NULL | GPL |
| mysql_native_password | ACTIVE | AUTHENTICATION | NULL | GPL |
| mysql_old_password | ACTIVE | AUTHENTICATION | NULL | GPL |
| MRG_MyISAM | ACTIVE | STORAGE ENGINE | NULL | GPL |
| MyISAM | ACTIVE | STORAGE ENGINE | NULL | GPL |
| CSV | ACTIVE | STORAGE ENGINE | NULL | GPL |
| MEMORY | ACTIVE | STORAGE ENGINE | NULL | GPL |
| FEDERATED | ACTIVE | STORAGE ENGINE | NULL | GPL |
| PERFORMANCE_SCHEMA | ACTIVE | STORAGE ENGINE | NULL | GPL |
| Aria | ACTIVE | STORAGE ENGINE | NULL | GPL |
| InnoDB | ACTIVE | STORAGE ENGINE | NULL | GPL |
| INNODB_TRX | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
...
| INNODB_SYS_FOREIGN | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| INNODB_SYS_FOREIGN_COLS | ACTIVE | INFORMATION SCHEMA | NULL | GPL |
| SPHINX | ACTIVE | STORAGE ENGINE | NULL | GPL |
| ARCHIVE | ACTIVE | STORAGE ENGINE | NULL | GPL |
| BLACKHOLE | ACTIVE | STORAGE ENGINE | NULL | GPL |
| FEEDBACK | DISABLED | INFORMATION SCHEMA | NULL | GPL |
| partition | ACTIVE | STORAGE ENGINE | NULL | GPL |
| pam | ACTIVE | AUTHENTICATION | auth_pam.so | GPL |
+----------------------------+----------+--------------------+-------------+---------+