مشكلة check the manual that corresponds to your MariaDB server version for the right syntax to use near 'FOREIGN
في قواعد بيانات MySQL الأمر التالي لا يتنفذ:
ALTER TABLE users ADD CONCURRENT FOREIGN KEY (country_id) REFERENCES countries(id);
يظهر لي الخطأ التالي:
#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'FOREIGN
SQL
