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 '"email", "name", "firstname", "password") VALUES (emailtest, nametest, firstn...' at line 1 code example

Example: 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 'privilleges to

GRANT ALL PRIVILEGES ON * . * TO 'wordpressuser'@'localhost';