INSERT INTO DEPARTMENT values(
'B300'
,'2023-04-01'
,NULL
,'新設部門'
,(SELECT LAYER FROM DEPARTMENT WHERE DEPT_CODE = 'A100')
,(SELECT UP_DEPT_CODE FROM DEPARTMENT WHERE DEPT_CODE = 'A100')
,'1'
,(SELECT UPDATE_USER_NAME FROM DEPARTMENT WHERE DEPT_CODE = 'A100')
,'2023-04-01 00:00:00'
);

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 = 'A100'
OR
DEPT_CODE = 'A200';

DEPT_CODE ='B300'
START_DATE = '2023-04-01'
UPDATE_USER_NAME = 'ORG_CHG'
USER_UPDATE_DATETIME = '2023-04-01 00:00:00'


UPDATE EMP SET
DEPT_CODE = 'B300'
WHERE 
(DEPT_CODE = 'A100'
OR
DEPT_CODE = 'A200')
AND VALID_FLG = '1';