INSERT INTO DEPARTMENT
SELECT
'B300',
'2023-04-01',
NULL,
'新設部門', 
LAYER,
UP_DEPT_CODE,
VALID_FLG,
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 = 'A100' OR DEPT_CODE = 'A200')
AND
VALID_FLG = '1'