IF NOT EXISTS (SELECT* FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'TELE_ORC' AND COLUMN_NAME = 'VLR_SUBSIDIO_MARKETPLACE' )
BEGIN 
	ALTER TABLE TELE_ORC ADD VLR_SUBSIDIO_MARKETPLACE MONEY CONSTRAINT DF_TELE_ORC_VLR_SUBSIDIO_MARKETPLACE DEFAULT 0
END 