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...
select a,b,null,null from table1 union select null,null,c,d from table2 union select null,null,null,null,e,f from table3.
In the same, the null mutants exhibited a decreased amount of duplication .
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' UNION SELECT NULL-- ' UNION SELECT NULL,NULL-- ' UNION SELECT NULL,NULL,NULL-- etc. If the number of nulls does not match the number
...NULL,... short s.17l DC3 b737 800ngx britihs airways northeast 747 turbo prob l 39 albatross how to instal%' AND 2909=23... barracuda ORB FTX Tress HD boeing 377 stratocruiser Ethiopian airlines hours boumedian f 35 a Nick Black AI F/A-18E dave maria fsx last1111111111111 UNION...
Используйте NULL в UNION-инъекциях вместо попыток угадать строку, дату, число и прочее. Но будьте аккуратны при слепой инъекции, т.к. вы можете спутать ошибку БД и самого приложения. Некоторые языки, например ASP.NET, выдают ошибку при использовании значения NULL (т.к...
You owe me credits for my dorks you're using there man I'll give you a hint, starts with a k, ends with a z. Lol, thanks for the dorks. Didn't realize where I got them from.
Соответственно, IS NOT NULL действует наоборот: вернёт истину, если значение операнда отлично от NULLа и ложь, если он является NULLом
Example union attack. The UNION keyword lets you execute one or more additional SELECT