IF NOT EXISTS (SELECT * FROM SYS.COLUMNS WHERE NAME = 'TIPO_CARTAO' AND OBJECT_ID = OBJECT_ID('PDV_VD_LINX_PROMO'))
BEGIN
   ALTER TABLE PDV_VD_LINX_PROMO ADD TIPO_CARTAO VARCHAR (20)COLLATE SQL_LATIN1_GENERAL_CP1_CI_AS NOT NULL DEFAULT('')
END
