mysql:

```
CREATE USER 'tduck'@'172.25.%' IDENTIFIED BY 'Tduck@20220725/';
GRANT ALL PRIVILEGES ON *.* to 'tduck'@'172.25.%'; 
FLUSH PRIVILEGES;
```


```
create user 'iflow'@'172.25.242.%' identified by 'Gzzn@2024';
grant all privileges on *.* to 'iflow'@'172.25.242.%';
flush privileges;
```



```
select name from mysql.proc where db = 'tduck_pre' and `type` = 'PROCEDURE';
```



```
SHOW CREATE PROCEDURE 'schedule_del_status_230417'
```


```

SHOW PROCEDURE STATUS;
```


```
GRANT SYSTEM_USER ON *.* TO 'root'@'172.25.242.%';
FLUSH PRIVILEGES;
```


```
SELECT EVENT_SCHEMA, EVENT_NAME, DEFINER
FROM information_schema.EVENTS
WHERE EVENT_SCHEMA = 'tduck_pre' AND EVENT_NAME = 'schedule_del_status_230417';

```


```
ALTER DEFINER = 'root'@'172.25.242.%' EVENT `tduck_pre`.`schedule_del_status_230417`
ON SCHEDULE EVERY 1 DAY STARTS '2023-04-20 00:10:00'
DO
DELETE FROM py_car_cnclxx
WHERE S_STATUS = 2 AND TO_DAYS(NOW()) - TO_DAYS(s_last_updated) > 1;
```


```
CREATE USER 'pypc'@'172.25.%' IDENTIFIED BY 'PyPc@20220722.';
GRANT ALL PRIVILEGES ON pypc.* to 'pypc'@'172.25.%'; 
FLUSH PRIVILEGES;
```