ALTER TABLE IMPOSTO DROP CONSTRAINT CKC_IDDESCRFONTE
/
ALTER TABLE IMPOSTO ADD CONSTRAINT CKC_IDDESCRFONTE CHECK (IDDESCRFONTE IS NULL OR (IDDESCRFONTE IN ('R','A','P','N')))
/
ALTER TABLE IMPOSTO  ADD CDIMPOBASERET VARCHAR2(02) NULL
/

ALTER TABLE PARAMGERAL ADD IDCALCVRTOTANFE VARCHAR2(01) DEFAULT 'N' NULL    
        CONSTRAINT CKC_IDCALCVRTOTANFE CHECK (IDCALCVRTOTANFE IS NULL OR (IDCALCVRTOTANFE IN ('S','N')))
/ 

ALTER TABLE FORNECEDOR ADD CDDIGVERIFINTFOR VARCHAR2(1) NULL
/

ALTER TABLE FORNECEDOR ADD IDTIPODOCINTFOR VARCHAR2(1) NULL
/

ALTER TABLE CLIENTE ADD CDDIGVERIFINTCLI VARCHAR2(1) NULL
/

ALTER TABLE CLIENTE ADD IDTIPODOCINTCLI VARCHAR2(1) NULL
/