---処理1
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'
;
---処理2
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')
;
---処理3
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'
;