Sql Server 2008 trigger

sqlserver 2008 trigger:
IF OBJECT_ID('TRGR_DVC_TRV') IS NOT NULL
    DROP TRIGGER TRGR_DVC_TRV
GO

CREATE TRIGGER TRGR_DVC_TRV ON DVC_TRV  FOR UPDATE AS
BEGIN
UPDATE DVC_TRV
   SET VRSN_ID = D.VRSN_ID + 1,
       LST_UPD_TIME = CURRENT_TIMESTAMP
  FROM DVC_TRV SRC
INNER JOIN DELETED D
    ON D.ID = SRC.ID
END
GO