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'
;