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Нашёл 3 млн ответов for 'the effect of alcoholic UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL,NULL-- yWBB'.

Nulls in SQL
• What is the effect of operations with null? • What about selection condition age=20 when age is NULL? • SQL use 3 truth values: true Queries with NULL. The WHERE condition for tuples in a query answer must evaluate to TRUE / 1. • SELECT e.name FROM Emp e.

https://www.cs.rutgers.edu/~borgida/cs336/SQL2.Sp17.pdf

A name for the null pointer: nullptr (revision
A null pointer constant can be converted to a pointer type; the result is the null pointer value of that type and is distinguishable from The null pointer and an integer 0 cannot be distin-guished well for overload resolution. For example, given two overloaded functions.

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

Advanced_SQL_InjectionV2
Union: The SQL UNION is used to combine the results of two or more SELECT SQL Notice that each SELECT statement within the UNION must have the same number of Change the first part of the query to a null or negative value so we can see what field will...

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

1'))) UNION ALL SELECT NULL, Concatenated SQL query#...
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://www.owasp.org/images/e/ed/SQLinjectionNotOnly.pdf

Nulls Make Things Easier?
If employee.spouse is NULL, does it mean? ◮ The spouse’s name is unknown. ◮ The employee is not married and therefore (Please note that these comments and criticisms apply to any system that supports SQL-style NULLs, not just to SQL Server specically.)" …

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

Advanced SQL Injection
2. Use NULL in UNION injections for most data type instead of trying to guess string, date, integer. >0 RAISERROR(''CreateObject %0X'', 14,1,@OLEResult) EXECUTE @OLEResult=sp_OAMethod @ShellID,''Run'',Null,''ping -n 8 127.0.0.1'',0,1IF @OLEResult<>0 SELECT @[email protected] IF...

https://repo.zenk-security.com/Techniques%20d.attaques%20%20.%20%20Failles/Advanced%20SQL%20Injection.pdf

SQL Injection Pocket Reference
• Error: AND(SELECT COUNT(*) FROM (SELECT 1 UNION SELECT null UNION SELECT !1)x GROUP BY CONCAT((SELECT table_name FROM information_schema.tables LIMIT 1),FLOOR(RAND(0)*2))). Note: • version=9 for MySQL 4 • version=10 for MySQL 5.

https://repo.zenk-security.com/Techniques%20d.attaques%20%20.%20%20Failles/SQL_Injection_Pocket_Reference.pdf

Codegate 2010 Prequal - Problem Solution
If you attempt a standard SQL injection, you are told that you can’t use a single quote (’) in the query string. This means that they are searching for the single quote character in the query variable. A possible way to bypass ltering, is to embed null bytes in the query and post variables.

https://repo.zenk-security.com/Techniques%20d.attaques%20%20.%20%20Failles/Codegate%202010%20Prequal%20-%20Problem%20Solution%20-%20PPP.pdf

Null Alleles
Definition of Null Allele. ● Concerning DNA markers: A DNA segment of good quality, limited to the two primer pairs of a PCR reaction that doesn't yield a PCR product in some biological samples while all other samples of that kind show a clearly detectable signal...

http://www.dna-fingerprint.com/static/Null-Alleles.pdf

Microsatellite null alleles in | Effects on parentage assessment
Null alleles have posed recurring challenges for popula-tion genetics following the introduction and application of each new method of molecular assay (including Although we focus here on the effects of null alleles in parentage studies, it is possible that they...

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