ALTER COMMAND TRIGGER 7 SQL - Language Statements ALTER COMMAND TRIGGER change the definition of a trigger ALTER COMMAND TRIGGER ALTER COMMAND TRIGGER name ON command SET enabled where enabled can be one of: ENABLE ENABLE ALWAYS ENABLE REPLICA DISABLE ALTER COMMAND TRIGGER changes properties of an existing command trigger. You must be superuser to alter a command trigger. name The name of an existing trigger to alter. command The command tag on which this trigger acts. enabled When to enable this trigger. See the session_replication_role parameter. ALTER COMMAND TRIGGER is a PostgreSQL extension of the SQL standard.