ALTER TABLE ITEMPROCAPROVA ADD (
  NRAPROVITEM NUMBER(10) DEFAULT 2 NOT NULL
)
/
ALTER TABLE OPERITEMPAPROVA ADD CONSTRAINT CKC_IDTIPOACAOOPER_OPERITEMPAP CHECK (IDTIPOACAOOPER IN ('O', 'E', 'C'))
/
ALTER TABLE OPERITEMPAPROVA DROP CONSTRAINT CKC_IDTIPOACAOOPER_OPERITEMP