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 '@ where short_url='namyounsuChrome-Self-Signed-인증서일때-비정상적이' at line 1 | select * from short_url_@ where short_url='namyounsuChrome-Self-Signed-인증서일때-비정상적이고-잘못된-사용자-인증-정보-반환했습니다.-해결하기'