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 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';