IF NOT EXISTS(SELECT 1 FROM syscolumns WHERE ID = OBJECT_ID('EST_PROD_REQ_TRANSF_LIB_ITENS_ENT_EST_PROD_IMP') AND NAME = 'QT_IT_CHECK ')
begin
ALTER TABLE dbo.EST_PROD_REQ_TRANSF_LIB_ITENS_ENT_EST_PROD_IMP ADD
	QT_IT_CHECK money NOT NULL CONSTRAINT DF_EST_PROD_REQ_TRANSF_LIB_ITENS_ENT_EST_PROD_IMP_QT_IT_CHECK DEFAULT (0)
end