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

4/4
UNION ALL SELECT NULL, *, NULL, NULL FROM email ... Use of an unqualified * with other items in the select list may produce a parse error. ... select NULL, email.*, NULL, NULL from email ... the tables when only using one table and selecting literals in addition to all the columns on that single...

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

242-31: SQL Set Operators: So Handy Venn You Need Them
Before we look at the effect of this statement, let’s look at the syntax and compare it to that of the A set operator works on the results of two SELECTs. This is unlike a join, which is implemented within The OUTER UNION operator preserves columns which do not align, and generates nulls (missing...

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

Advanced SQL Injection
Union: The SQL UNION is used to combine the results of two or more SELECT SQL statements into a single result. Really useful for SQL Injection :) Blind: Asking the DB a true/false question and using whether valid page returned or not, or by using the time it took for your valid page to return as the...

https://index-of.es/Varios-2/Advanced%20SQL%20Injection.pdf

Csg2
Group Functions and Null Values 5-11. Using the NVL Function with Group Functions 5-12. Creating Groups of Data 5-13. You can add data through a view unless it contains any of the items listed in the slide or ther e are NOT NULL columns, without default values, in the base table that are not selected...

https://index-of.es/Rdbms/Oracle9i%20SQL-Slide%20&%20Guide-II.pdf

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

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

OWASPBostonv1
▸ abcd' UNION ALL SELECT NULL,(SELECT. string_agg(table_name,', ') AS tables_list FROM information_schema.tables WHERE ▸ fetch Users and password hashes: ▸ abcd' UNION ALL SELECT NULL,(SELECT. concat(email,' : ',password) FROM public.ctf_user where id=2)—.

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

Microsoft PowerPoint - SQLinjectionNotOnly.ppt
1'))) UNION ALL SELECT NULL, Concatenated SQL query# AND ((('RaNd' LIKE 'RaNd. 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.

https://owasp.org/www-pdf-archive/SQLinjectionNotOnly.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' and acct=NULL; --Unknown column 'acct' in 'where clause'. – Gives a different message. Introduction. Some Attack Strings.

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