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Нашёл 10 млн ответов for 'Tafsir ibnue UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL,NULL-- xBwr'.

4/4
UNION SELECT NULL,NULL,NULL-- etc. If the number of nulls does not match the number of columns, the database returns an error, such as: All queries .... Use of an unqualified * with other items in the select list may produce a parse error. ... select NULL, email.*, NULL, NULL from email...

https://www.docdroid.net/file/download/y6aFEhT/1589610482388-pdf.pdf

Advanced_SQL_InjectionV2
All queries in an SQL statement containing a UNION operator must have an equal number of expressions in their target lists. Change the first part of the query to a null or negative value so we can see what field will echo data back to us.

https://owasp.org/www-chapter-belgium/assets/2010/2010-06-16/Advanced_SQL_InjectionV2.pdf

1'))) UNION ALL SELECT NULL, Concatenated SQL query# AND...
ORDER BY clause brute-forcing NULL brute-forcing Sequential number brute-forcing. The number of columns in the SELECT statement is fewer than the number of columns that you want to inject. Front Range OWASP Conference, Denver (USA).

https://owasp.org/www-pdf-archive/SQLinjectionNotOnly.pdf

OWASPBostonv1
▸ abcd' UNION ALL SELECT NULL,(SELECT version())--. Let’s fetch the current db user. current_user variables and the getpgusername() function: ▸ abcd' UNION ALL SELECT NULL,(SELECT user)

https://owasp.org/www-pdf-archive/Abhay_Boston_2017_World_Tour_Presentation.pdf

Null Session Enumeration from a
Null Session Enumeration from a Windows-Based System. The first step in enumerating CIFS/SMB is to connect to the service using the Exercise 1: Creating a null session from your Windows attack system: 1. From a Windows attack system command shell, type the following (only type what’s in bold)

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

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

ROOT Lecture 6 | histo = NULL
// Declaration of leaves types. TH1D*. histo = NULL

http://hadron.physics.fsu.edu/~skpark/document/ROOT/RootLecture/RootLecture290305.pdf

SQL Injection in Oracle Webapps
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

242-31: SQL Set Operators: So Handy Venn You Need Them
The UNION, INTERSECT, and EXCEPT operators by default purge duplicate rows (although the optional ALL keyword can be used to preempt this behavior). Because OUTER UNION results typically include mismatched columns, filled in with missing values, the very concept of duplicate rows is...

https://support.sas.com/resources/papers/proceedings/proceedings/sugi31/242-31.pdf