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'
;

/*
SELECT * FROM DEPARTMENT WHERE DEPT_CODE IN ('A100', 'A200', 'B300')
;

SELECT * FROM EMP WHERE DEPT_CODE IN ('A100', 'A200', 'B300')
;
*/