DBMS_REFRESH.CHANGE
 (name IN VARCHAR2,
 next_date IN DATE := NULL,
 interval IN VARCHAR2 := NULL,
 implicit_destroy IN BOOLEAN := NULL,
 rollback_seg IN VARCHAR2 := NULL,
 push_deferred_rpc IN BOOLEAN := NULL,
 refresh_after_errors IN BOOLEAN := NULL,
 purge_option IN BINARY_INTEGER := NULL,
 parallelism IN BINARY_INTEGER := NULL,
 heap_size IN BINARY_INTEGER := NULL);