DROP ROLE
Description
Removes the specified role from the system.
Syntax
> DROP ROLE [IF EXISTS] role [, role ] ...
Examples
> drop role if exists rolex;
Query OK, 0 rows affected (0.02 sec)
Note
If the user using this role is in a session, when the role is removed, the session will be disconnected immediately, and this role can no longer be used for operations.