999999.9" //union//all //select //**/union/**/all/**/select/**/null, concat..."
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 works can somebody help me...
Шпаргалка по SQL инъекциям | DefconRU
9. Оператор UNION С оператором UNION можно делать запросы к пересечению таблиц. В основном, вы можете отправить запрос, возвращающий значение из другой таблицы. Пример: SELECT header, txt FROM news UNION ALL SELECT name, pass FROM members Это позволит...
SQL Инъекции | Page 9 | ANTICHAT - Security online community
0x7178627071),NULL,NULL,NULL,NULL,NULL-- FkYN ---. web server operating system: Windows 2008 or Vista web application technology: ASP.NET, PHP 5.5.10
Casting NULL to a struct pointer in C? - Stack Overflow
The standard NULL can be defined as0 or 0L or ((void *) 0) or in some other way, meaning that it might be interpreted differently in such type-less contexts. An explicit cast will make sure that it is interpreted correctly as a pointer. For example, this is generally invalid (behavior is undefined).
UNION (Transact-SQL) - SQL Server | Microsoft Docs
UNION — повторяющиеся строки исключаются.UNION - Excludes duplicates. Операция UNION отличается от операции JOIN :A
Внедрение SQL-кода — Википедия
1.3 Использование UNION + group_concat(). 1.4 Экранирование хвоста запроса. 1.5 Расщепление SQL-запроса.
Are there reasons to assign NULL instead of 0 to non-pointer variables?
In C, a null pointer constant must be an integer literal with the value 0, or the same cast to type
C - Type Casting - Tutorialspoint
C - Type Casting - Converting one datatype into another is known as type casting or, type-conversion. For example, if you want to store a 'long' value into a simple integer then y.
Type conversions - C++ Tutorials | const_cast
This is known as a standard conversion. Standard conversions affect fundamental data types, and
PHP: in_array - Manual | Example #3 in_array() with an array as needle
?> be sure to use the strict checking when searching for a string in the array, or it will match on the 0 int in that array and give a true for all values of needle that are strings strings.