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')
;

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
;