ALTER TRIGGER <trigger-name> --+--> DISABLE --+----------------+----+->
                                 +--> ENABLE ---+                |    |
                                 +--> COMMENT IS -+-> 'string' -++    |
                                 |                +---- / ------+     |
                                 +--> RENAME TO <new-trigger-name> ---+
                                 +-------------------<----------------+