IF NOT EXISTS (select * from information_schema.columns where column_name = 'NSU_AUTR_ECOM' AND TABLE_NAME = 'TELE_ORC_PAG_CARTAO')
BEGIN
ALTER TABLE TELE_ORC_PAG_CARTAO ADD NSU_AUTR_ECOM varchar(30) collate SQL_Latin1_General_CP1_CI_AS CONSTRAINT DF_TELE_ORC_PAG_CARTAO_NSU_AUTR_ECOM DEFAULT ('0')
END