create or replace TRIGGER "VALIDATE_DOA_DOD" BEFORE UPDATE ON IN_PATIENT
FOR EACH ROW
BEGIN
IF :NEW.DOD < :OLD.DOA THEN
enter code here
RAISE EX_INVALID_DOD;
END IF;
EXCEPTIION
WHEN EX_INVALID_DOD THEN
dbms_output.put_line('Date Of Discharge must be greater or equal to Date of Admition');
END;
1 に答える
1
- を意味のあるものに置き換える
'enter code here'
か、削除します EXCEPTIION
に編集EXCEPTION
- あなたの例外を宣言する
EX_INVALID_DOD
そう:
create or replace TRIGGER "VALIDATE_DOA_DOD" BEFORE UPDATE ON IN_PATIENT
FOR EACH ROW
declare
EX_INVALID_DOD exception;
BEGIN
IF :NEW.DOD < :OLD.DOA THEN
--enter code here
RAISE EX_INVALID_DOD;
END IF;
EXCEPTION
WHEN EX_INVALID_DOD THEN
dbms_output.put_line('Date Of Discharge must be greater or equal to Date of Admition');
END;
于 2016-12-01T18:40:20.650 に答える