Błąd zapytania sql :
INSERT INTO `_update` (`system`, `updateDate`, `updateTime`, `updateUser`)
SELECT '371', '2023-09-21','13:06:30','0'
FROM systems
WHERE not exists (SELECT id_update FROM _update WHERE system = '371') LIMIT 1;
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'system = '371') LIMIT 1' at line 4