ALTER TABLE FCT_TIPOORCAMENTO DROP CONSTRAINT CKC_IDTIPOORCA_FCT_TIPO
/

ALTER TABLE FCT_TIPOORCAMENTO ADD CONSTRAINT CKC_IDTIPOORCA_FCT_TIPO CHECK (IDTIPOORCA IN ('S', 'V', 'T'))
/

ALTER TABLE FCT_TIPOORCAMENTO MODIFY IDTIPOORCA DEFAULT 'T'
/