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
select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database. If TYPE OF is used with a (VAR)CHAR type, its character.
...null,NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULl, NULL-- Можно использовать CAST
...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
A list of useful payloads and bypass for Web Application Security and Pentest/CTF - swisskyrepo/PayloadsAllTheThings.
Задание: 39 (Serge I: 2003-02-14). Найдите корабли, "сохранившиеся для будущих сражений"; т.е. выведенные
CREATE TABLE `T_TEST` ( `name` char(64) NOT NULL ). вместо char(64) используй varbinary(64) и все будет в норме.
If a null pointer constant is converted to a pointer type, the resulting pointer, called a null pointer, is guaranteed to compare unequal to a pointer to any object or function.”
As of a couple of weeks ago, I keep seeing a LOT of 404s that don't even look like links
How can 0 be used for handling null pointers if that is the case? Why isn't a negative number null instead?