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