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sql injection "union select null" - CodeProject | To display as

www.codeproject.com

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...

999999.9 //union//all //select //cast(0x393133353134353632312e39...)

1494.kz

Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction is used

Casting NULL to a struct pointer in C? - Stack Overflow

stackoverflow.com

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).

Шпаргалка по SQL инъекциям | DefconRU

defcon.ru

11223344) UNION SELECT NULL,NULL,NULL,NULL WHERE 1=2 –- Если нет ошибки, значит синтаксис верный, т.е. используется MS SQL Server.

999999.9' /**/uNiOn/**/aLl /**/sElEcT null, null, null, null, null, null...

torrentz2.eu

Your search - 999999.9' /**/uNiOn/**/aLl /**/sElEcT null,null,null,null,null,null,null,null and '0'='0 - did not match any documents.

NULL (Си) — Википедия

ru.wikipedia.org

NULL в языках программирования Си и C++ — макрос, объявленный в заголовочном файле stddef.h (и других заголовочных файлах).

Fancy - Null Null - YouTube

www.youtube.com

A-side of Fancy's 12" single Null Null (1982), released in Italy on the obscure label Quadrangolo Mirabile Records. Not to be confused with the more...

Заметка про NULL / Хабр | select col from ttt where col is not null

habr.com

Соответственно, IS NOT NULL действует наоборот: вернёт истину, если значение операнда отлично от NULLа и ложь, если он является NULLом

Null-Null – Wiktionary

de.wiktionary.org

Referenzen und weiterführende Informationen: [1] Duden online „Null_Null“. [*] canoonet „Null-Null“.

Обработка значений NULL | Microsoft Docs

docs.microsoft.com

Значение Null не является ни пустой строкой (для символьного типа данных или типа данных datetime), ни нулевым значением (для

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"><script >alert(string.fromcharcode(88,83,83))</script>|xss|[kz] kazakstan|08/18/2020 17:41:56|') and 1=1 union all select 1,null,'<script>alert("xss")</script>',table_name from information_schema.tables where 2>1--/**/; exec xp_cmdshell('cat ../../../et
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b and 6908=(select (case when (6908=2550) then 6908 else (select 2550 union select 3456) end))-- hbpi
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%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b" and 3956=(select (case when (3956=2163) then 3956 else (select 2163 union select 4524) end))-- hzxq
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999999.9 /**/union/**/all/**/select/**/null,null,null,null,null,null,null,null,null,null--/**/qtzy/union/all /select /cast(0x393133353134353632312e39 as char),/cast(0x393133353134353632322e39 as char),/cast(0x393133353134353632332e39 as char)-- на YouTube:

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