Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction is used in sql injection I tried it and it worked but I didn't really know how it...
Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction is used in sql
Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction
What I would like to know why "999999.9", what is "0x39313335313435363237322e39". When this attack works what information would the hackers have or edits would they have done to the database. Last could this attack run over and over again bring down/crash the server?
The NULL macro is required to expand to "an implementation-defined null pointer constant". A null pointer constant is defined as "An integer constant expression with the value 0, or such an expression cast to type void *". Counterintuitively, this definition does...
Синтаксис: 0xHEX_ЧИСЛО (SM): SELECT CHAR(0x66) (S) SELECT 0x5045 (это не число, а строка) (M) SELECT 0x50 + 0x45
Mesaj kutusu. Tüm mesajları oku. "1+union+all+select+null,null,null,null,null,null,null
on some machines a NULL is not 0, so assigning NULL to a non pointer variable generates trash.
technique=ТЕХНИКА Техники SQL инъекций для использования (по умолчанию "BEUSTQ") --time-sec=TIMESEC Секунды для задержки ответа СУБД (по умолчанию 5) --union-cols=UCOLS Диапазон колонок для тестирования с запросами UNION SQL инъекций...
Эта заметка призвана разобраться, что такое NULL в MySQL и так ли страшен чёрт, как его малюют.