INSERT INTO
    DEPARTMENT
SELECT
    'B300',
    '2023-04-01',
    NULL,
    '新設部門',
    dp.LAYER,
    dp.UP_DEPT_CODE,
    '1',
    dp.UPDATE_USER_NAME,
    '2023-04-01 00:00:00'
FROM
    DEPARTMENT AS dp
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';