{ REFRESH
  { { FAST | COMPLETE | FORCE }
  | ON { DEMAND | COMMIT }
  | { START WITH | NEXT } date
  | WITH { PRIMARY KEY | ROWID }
  | USING
       { DEFAULT [ MASTER | LOCAL ]
            ROLLBACK SEGMENT
       | [ MASTER | LOCAL ]
            ROLLBACK SEGMENT rollback_segment
       }
         [ DEFAULT [ MASTER | LOCAL ]
              ROLLBACK SEGMENT
         | [ MASTER | LOCAL ]
              ROLLBACK SEGMENT rollback_segment
         ]...
  | USING
       { ENFORCED | TRUSTED }
       CONSTRAINTS
  }
    [ { FAST | COMPLETE | FORCE }
    | ON { DEMAND | COMMIT }
    | { START WITH | NEXT } date
    | WITH { PRIMARY KEY | ROWID }
    | USING
         { DEFAULT [ MASTER | LOCAL ]
              ROLLBACK SEGMENT
         | [ MASTER | LOCAL ]
              ROLLBACK SEGMENT rollback_segment
         }
           [ DEFAULT [ MASTER | LOCAL ]
                ROLLBACK SEGMENT
           | [ MASTER | LOCAL ]
                ROLLBACK SEGMENT rollback_segment
           ]...
    | USING
         { ENFORCED | TRUSTED }
         CONSTRAINTS
    ]...
| NEVER REFRESH
}