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Нашёл 13 млн ответов for 'the effect of alcoholic UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL-- VpnI'.

The critical region
The critical region is the region of values that corresponds to the rejection of the null hypothesis at some chosen probability level. If the absolute value of the calculated statistics has a value equal to or greater than the critical value, then the null hypotheses, H0 should be rejected and the alternate...

https://lstat.kuleuven.be/training/coursedescriptions/Goodyear/critical_region.pdf

064-29: Creating Efficient SQL - Union Join without the Union Clause
data _null_; merge a b; by key; run; KEY ACOL BCOL p one six q two seven r three eight. The row-wise join returns a single column 'col' instead with a select aNumCol from a UNION select aCharCol from b. Alot more subtle and, worse yet, platform specific is the issue of database performance.

https://support.sas.com/resources/papers/proceedings/proceedings/sugi29/064-29.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

SQL Injection Crash Course for Developers
Select from where group by having union select … SELECT null,null,null FROM dual. (2nd attempt). è ORA-01789: query block has incorrect number of result columns. SELECT null,null,null,null FROM DUAL. è Number of Columns = 4.

http://www.red-database-security.com/wp/OOW2009_sql_crashcourse_for_developers.pdf

Nulls Make Things Easier?
Nulls are a very useful but also very error-prone relational database feature. This talk is designed to help applications developers better manage their use of nulls. The three meanings of NULL: ◮ Unknown values ◮ Inapplicable values ◮ Empty placeholders.

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 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

Blindfolded
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://catonmat.net/wp-content/uploads/2008/07/blind-sql-injection-attacks.pdf

Microsatellite null alleles in | Effects on parentage assessment
Although we focus here on the effects of null alleles in parentage studies, it is possible that they may cause less bias in the analysis of population structure. Lehmann et al (1996) also found ‘null series’ in which multiple size classes were contained within an apparent null allele. In this case, PCR failure...

https://faculty.sites.uci.edu/johncavise/files/2011/03/255-dakinnullalleles.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

Microsoft Word - 0900aecd8067f1d6_null_null_null_05_11_05.docpdf
thus simplifying VPN configuration complexity, which translates into reduced costs because the need for local IT support is minimized. In addition, existing management applications that can monitor interfaces can be used for monitoring purposes. • Supports multicast encryption---Customers can use the Cisco...

https://www.cisco.com/en/US/technologies/tk583/tk372/technologies_white_paper0900aecd8029d629.pdf