INSERT INTO DEPARTMENT
(      DEPT_CODE, START_DATE,   END_DATE, DEPT_NAME, LAYER, UP_DEPT_CODE,VALID_FLG,UPDATE_USER_NAME,USER_UPDATE_DATETIME)
SELECT 'B300',    '2023-04-01', NULL,     '新設部門', LAYER, UP_DEPT_CODE,'1',UPDATE_USER_NAME,'2023-04-01 00:00:00'
FROM DEPARTMENT
WHERE DEPT_CODE = 'A100'
;
UPDATE DEPARTMENT
SET END_DATE = '2023-03-31',
VALID_FLG = '0',
UPDATE_USER_NAME = 'ORG_CHG',
USER_UPDATE_DATETIME = '2023-03-31 23:59:59'
WHERE DEPT_CODE IN ('A100','A200');
UPDATE EMP
SET DEPT_CODE ='B300',
START_DATE = '2023-04-01',
UPDATE_USER_NAME = 'ORG_CHG',
USER_UPDATE_DATETIME = '2023-04-01 00:00:00'
WHERE DEPT_CODE IN ('A100','A200') AND VALID_FLG = '1';