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';

select * from EMP where DEPT_CODE in('A100','A200','B300');