insert into DEPARTMENT 
select
'B300',
'2023-04-01',
NULL,
'新設部門',
DP.LAYER,
DP.UP_DEPT_CODE,
'1',
DP.UPDATE_USER_NAME,
'2023-04-01 00:00:00'
from DEPARTMENT as DP 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='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';