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'
AND START_DATE IN (
SELECT MAX(START_DATE)
FROM DEPARTMENT
WHERE DEPT_CODE = 'A100'
AND VALID_FLG = '1'
)
;
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 DEPARTMENT
;