IF NOT EXISTS (SELECT * FROM SYS.COLUMNS WHERE NAME = 'VLR_AJUSTE_TRANSF' 
				AND OBJECT_ID = OBJECT_ID('EST_PROD_CPL_ACERTO_CUSTO'))
BEGIN	 
	ALTER TABLE EST_PROD_CPL_ACERTO_CUSTO ADD VLR_AJUSTE_TRANSF MONEY NULL DEFAULT (0)
END