999999.9 /**/union/**/all /**/select /**/cast...
hindi all song UNION ALL SELECT NULL NULL NULL CONCAT... online
security - Sql injection can someone explain this code... - Stack Overflow
What I would like to know why "999999.9", what is "0x39313335313435363237322e39". When this attack works what information would the hackers have or edits would they have done to the database. Last could this attack run over and over again bring down/crash the server?
sql injection "union select null" - CodeProject | To display as
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...
Best Result For : 999999.9 uNiOn aLl sElEcT cAsT 0x393133353134353632312e39 as char --. تفسير فرط السبحة في المنام.
Заметка про NULL / Хабр | select col from ttt where col is not null
Существуют специальные операторы IS NULL и IS NOT NULL, которые позволяют производить сравнения с NULLами.
SQL Injection Cheat Sheet | Netsparker
11223344) UNION SELECT NULL,NULL,NULL,NULL WHERE 1=2 –- No Error - Syntax is right. MS SQL Server Used.
Null character - Wikipedia
The null character (also null terminator or null byte) is a control character with the value zero. It is present in many character sets, including ISO/IEC 646 (or ASCII), the C0 control code, the Universal Coded Character Set (or Unicode), and EBCDIC.
Ask TOM "Strings of Zero Length Not Equivalent To NULL"
SQL> select 'null' from dual where cast('' as char(1)) is null
Are there reasons to assign NULL instead of 0 to non-pointer variables?
The int p = NULL code compiles in Visual Studio, but it seems it may be less readable than assigning to zero.
The SQL Injection Knowledge Base | Tables and Columns
SELECT username FROM Users WHERE id = '-1' UNION SELECT MID(GROUP_CONCAT(0x3c62723e