DB2 날짜 변환 참고
SELECT CURRENT DATE , VARCHAR_FORMAT(CURRENT DATE + 1 DAY,'YYYYMMDD') , VARCHAR_FORMAT(CURRENT DATE + 15 DAYS,'YYYYMMDD') , CAST('2013-08-26' AS DATE) + 1 DAYS , SUBSTR('20130826130000', 1, 8) , TO_DATE('20130826', 'YYYY-MM-DD') , VARCHAR_FORMAT(TO_DATE('20130826', 'YYYY-MM-DD') + 1 DAYS, 'YYYYMMDD') FROM SYSIBM.SYSDUMMY1;