ALTER TABLE GERAL_PAG ADD IDBLOQTPOPERAF VARCHAR2(1) NULL
	CONSTRAINT CKC_IDBLOQTPOPERAF_GERAL_PAG CHECK (IDBLOQTPOPERAF IN ('S','N') OR IDBLOQTPOPERAF IS NULL)
/
UPDATE GERAL_PAG
SET IDBLOQTPOPERAF = 'N'
/
COMMIT
/