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')
;
select * from DEPARTMENT
;

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
;