---処理１
INSERT INTO DEPARTMENT (
DEPT_CODE,
START_DATE,
END_DATE,
DEPT_NAME,
LAYER,
UP_DEPT_CODE,
VALID_FLG,
UPDATE_USER_NAME,
USER_UPDATE_DATETIME ) VALUES (
'B300', '2023-04-01', NULL, '新設部門', 2, '1000', '1','SYSTEM', '2023-04-01 00:00:00');
---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 = 'A100' or '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 = 'A100' or 'A200'
 and VALID_FLG = '1';