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Нашёл 3 млн ответов for 'Tafsir ibnue UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL,NULL-- xBwr'.

A name for the null pointer: nullptr (revision
A null pointer constant is an integral constant expression (expr.const) rvalue of integer type that evaluates to zero. A null pointer constant can be converted to In particular: § Distinguishing between null and zero. The null pointer and an integer 0 cannot be distin-guished well for overload resolution.

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2431.pdf

Microsoft Word - Blindfolded SQL Injection - Final.doc
This type of NULL injection serves two purposes. The main purpose is to get a working UNION statement that has no errors. Although this UNION still does not retrieve any real data, it provides an indication that the statement indeed works. Another purpose of this empty UNION is to get a 100...

https://www.imperva.com/docs/IMPERVA_HII_blind-sql-injection-attacks.pdf

Nulls Make Things Easier?
SELECT NULL < NULL + 1; ?column? -(null). NULL represents unknown, not applicable, or unassigned. It has no data type, so comparing it to xed values always returns s. WITH ordertest AS ( SELECT NULL UNION ALL SELECT 2 UNION ALL SELECT 1 UNION ALL SELECT NULL.

https://momjian.us/main/writings/pgsql/nulls.pdf

Null Session Enumeration from a
Null Session Enumeration from a Windows-Based System. The first step in enumerating CIFS/SMB is to Exercise 1: Creating a null session from your Windows attack system: 1. From a 9. You can also view the output of the scan by clicking the View Reports button and selecting the various reports...

https://www.utc.edu/center-academic-excellence-cyber-defense/pdfs/4660-lab4.pdf

Inserting NULL values into a table and Selecting NULL values
select * from Employee1; -- Employee1 table does NOT have FK constraint superssn to PK ssn, so any value including NULL or ' ' will be accepted but NULL is taken as missing Insert Into Employee1 Values ('James', 'X', 'Brog1', '888660001','10-Nov-27','450 Stone, Houston, TX', 'M','55000', Null,'1')

http://cis.csuohio.edu/~sschung/cis430/HandlingNULLvalues.pdf

Exploiting Webapps using Oracle Databases
SELECT firstname, lastname FROM customers UNION SELECT username, null FROM ALL_USERS ORDER BY 1,2. The most common techniques are the usage of "ORDER BY" or adding NULL values to the second query. SELECT * FROM table UNION.

http://www.red-database-security.com/wp/oracle_sql_injection_2009.pdf

oracle_forensics_101.pptx
detail1, owner as username, null as serial#, null as session_id from ext_dba_objects where object_type='TABLE‘ union all select 0 as inst_id, 'DBA' as dstype,'DBA_OBJECTS' as datasource, created as timest, 'View Created' as activity, 'CREATED' as timestamp_name...

http://www.red-database-security.com/wp/oracle_forensics_101.pdf

SQL Injection
1234' and account=NULL; -- For mysql, there must be white space after --. You are identified as name userid. – We know account is a valid field name, because. 1234' or 1=1 union select null from balances; -- The used SELECT statements have a different number of columns.

https://www.cs.montana.edu/courses/csci476/topics/sql_injection.pdf

iqapgv2.book
For the purpose of grouping, all NULL values are considered to be in the same group, even though NULL values are not equal to one another. The HAVING clause acts as a filter, much like the WHERE clause, on the results of the GROUP BY clause. Consider the semantics of a simple query...

http://infocenter.sybase.com/help/topic/com.sybase.infocenter.dc00800.1510/pdf/iqapgv2.pdf

commands.book
• NULL – removes the binding to the current template database. The database uses model as its template database during subsequent server restarts. null | not null specifies the Adaptive Server behavior during data insertion if no default exists.

http://infocenter.sybase.com/help/topic/com.sybase.infocenter.dc36272.1570/pdf/commands.pdf