INSERT INTO DEPARTMENT
  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';